var FormCheck = new Class({
	
	Implements: [Options, Events],

	options : {
		
		tipsClass: 'fc-tbx',				//tips error class
		errorClass: 'fc-error',				//div error class
		fieldErrorClass: 'fc-field-error',	//error class for elements
		
		trimValue : false,					//trim (remove whitespaces before and after) the value
		validateDisabled : false,			//skip validation on disabled input if set to false.
		
		submitByAjax : false,				//false : standard submit way, true : submit by ajax
		ajaxResponseDiv : false,			//element to inject ajax response into (can also use onAjaxSuccess) [cronix] 
		ajaxEvalScripts : false,			//use evalScripts in the Request response [cronix] 
		onAjaxRequest : $empty,				//Function to fire when the Request event starts 
		onAjaxSuccess : $empty,				//Function to fire when the Request receives .  Args: response [the request response] - see Mootools docs for Request.onSuccess 
		onAjaxFailure : $empty,				//Function to fire if the Request fails 

		display : {
			showErrors : 0,
			titlesInsteadNames : 0,
			errorsLocation : 1,
			indicateErrors : 1,
			indicateErrorsInit : 0,
			keepFocusOnError : 0,
			checkValueIfEmpty : 1,
			addClassErrorToField : 0,
			fixPngForIe : 1,
			replaceTipsEffect : 1,
			flashTips : 0,
			closeTipsButton : 0,
			tipsPosition : "right",
			tipsOffsetX : 20,
			tipsOffsetY : 26,
			listErrorsAtTop : false,
			scrollToFirst : true,
			fadeDuration : 100
		},
		
		alerts : {
			required: "Dit veld mag niet leeg zijn!",
			alpha: "This field accepts alphabetic characters only.",
			alphanum: "This field accepts alphanumeric characters only.",
			nodigit: "No digits are accepted.",
			digit: "Please enter a valid integer.",
			digitltd: "The value must be between %0 and %1",
			number: "Please enter a valid number.",
			email: "Dit is geen geldig e-mail adres.",
			phone: "Dit is geen geldig telefoonnummer.",
			url: "Please enter a valid url.",
			
			confirm: "This field is different from %0",
			differs: "This value must be different of %0",
			length_str: "The length is incorrect, it must be between %0 and %1",
			length_fix: "The length is incorrect, it must be exactly %0 characters",
			lengthmax: "The length is incorrect, it must be at max %0",
			lengthmin: "The length is incorrect, it must be at least %0",
			checkbox: "Please check the box",
			radios: "Maak een keuze",
			select: "Maak een keuze"
		},
		
		regexp : {
			required : /[^.*]/,
			alpha : /^[a-z ._-]+$/i,
			alphanum : /^[a-z0-9 ._-]+$/i,
			digit : /^[-+]?[0-9]+$/,
			nodigit : /^[^0-9]+$/,
			number : /^[-+]?\d*\.?\d+$/,
			email : /^[a-z0-9._%-]+@[a-z0-9.-]+\.[a-z]{2,4}$/i,
			phone : /^[\d\s ().-]+$/,
			url : /^(http|https|ftp)\:\/\/[a-z0-9\-\.]+\.[a-z]{2,3}(:[a-z0-9]*)?\/?([a-z0-9\-\._\?\,\/\\\+&amp;%\$#\=~])*$/i
		}
	},
	
	/*
	
	Constructor: initialize
		Constructor
	
		Add event on formular and perform some stuff, you now, like settings, ...
	*/
	initialize : function(form, options) {
		if (this.form = $(form)) {
			this.form.isValid = true;
			this.regex = ['length'];
			this.setOptions(options);
			
			//internalization
			if (typeof(formcheckLanguage) != 'undefined') this.options.alerts = $merge(this.options.alerts, formcheckLanguage);
			
			this.validations = [];
			this.alreadyIndicated = false;
			this.firstError = false;
			
			var regex = new Hash(this.options.regexp);
			regex.each(function(el, key) {
				this.regex.push(key);
			}, this);

			this.form.getElements("*[class*=validate]").each(function(el) {
				this.register(el);
			}, this);
			
			this.form.addEvents({
				"submit": this.onSubmit.bind(this)
			});
			
			if(this.options.display.fixPngForIe) this.fixIeStuffs();
			document.addEvent('mousewheel', function(){
				this.isScrolling = false;
			}.bind(this));
		}
	},
	
	/*
	Function: register
		Allows you to declare afterward new fields to the formcheck, to check dynamically loaded fields for example.
	
	Example:
		(code)
		<script type="text/javascript">

			window.addEvent('domready', function() {
				formcheck = new FormCheck('form_id');
			});
			
			// ...some code...
			
			var newField = new Element('input', {
				class	: "validate['required']",
				name	: "new-field"
			}).inject('form_id');
			formcheck.register(newField);
			
			new Element('input', {
				class	: "validate['required']",
				name	: "another-field",
				id		: "another-field"
			}).inject('form_id');
			formcheck.register($('another-field'));
		</script>
		(end code)
	
	See also:
		<FormCheck::dispose>
	*/
	register : function(el) {
		el.validation = [];
		el.getProperty("class").split(' ').each(function(classX) {
			if(classX.match(/^validate(\[.+\])$/)) {
				var validators = eval(classX.match(/^validate(\[.+\])$/)[1]);
				for(var i = 0; i < validators.length; i++) {
					el.validation.push(validators[i]);
					if (validators[i].match(/^confirm\[/)) {
						var field = eval(validators[i].match(/^.+(\[.+\])$/)[1].replace(/([A-Z0-9\._-]+)/i, "'$1'"));
						if (this.form[field].validation.contains('required')){
							el.validation.push('required');
						}
							
					}
				}
				this.addListener(el);
			}
		}, this);
	},
	
	/*
	Function: dispose
		Allows you to remove a declared field from formCheck
	
	Example:
		(code)
		<script type="text/javascript">
			window.addEvent('domready', function() {
				formcheck = new FormCheck('form_id');
			});
			
			// ...some code...
			
			formcheck.dispose($('obsolete-field'));
		</script>
		(end code)
	
	See also:
		<FormCheck::register>
	*/
	dispose : function(element) {
		this.validations.erase(element);
	},
	
	/*
	Function: addListener
		Private method
		
		Add listener on fields
	*/
	addListener : function(el) {
		this.validations.push(el);
		el.errors = [];
		
		if (this.options.display.indicateErrorsInit) {
			this.validations.each(function(el) {
				if(!this.manageError(el,'submit')) this.form.isValid = false;
			}, this);
			return true;
		} 
	
		if (el.validation[0] == 'submit') {
			el.addEvent('click', function(e){
				this.onSubmit(e);
			}.bind(this));
			return true;
		}

		if (this.isChildType(el) == false) el.addEvent('blur', function() {
			(function(){
				if(!this.fxRunning && (el.element || this.options.display.showErrors == 1) && (this.options.display.checkValueIfEmpty || el.value))
				this.manageError(el, 'blur')
			}.bind(this)).delay(100);
		}.bind(this))
		//We manage errors on radio
		else if (this.isChildType(el) == true) {
			//We get all radio from the same group and add a blur option
			var nlButtonGroup = this.form.getElements('input[name="'+ el.getProperty("name") +'"]');
			nlButtonGroup.each(function(radio){
				radio.addEvent('blur', function(){
					(function(){
						if((el.element || this.options.display.showErrors == 1) && (this.options.display.checkValueIfEmpty || el.value)) this.manageError(el, 'click');
					}.bind(this)).delay(100);
				}.bind(this))
			},this);
		}
	},
	
	/*
	Function: validate
		Private method
		
		Dispatch check to other methods
	*/
	validate : function(el) {
		el.errors = [];
		el.isOk = true;
		
		//skip validation and trim if specified
		if (!this.options.validateDisabled && el.get('disabled')) return true;
		if (this.options.trimValue && el.value) el.value = el.value.trim();
		
		el.validation.each(function(rule) {
			if(this.isChildType(el)) {
				if (this.validateGroup(el) == false) {
					el.isOk = false;
				}
			} else {
				var ruleArgs = [];
				
				if(rule.match(/^.+\[/)) {
					var ruleMethod = rule.split('[')[0];
					ruleArgs = eval(rule.match(/^.+(\[.+\])$/)[1].replace(/([A-Z0-9\._-]+)/i, "'$1'"));
				} else var ruleMethod = rule;
				
				if (this.regex.contains(ruleMethod) && el.get('tag') != "select") {
					if (this.validateRegex(el, ruleMethod, ruleArgs) == false) {
						el.isOk = false;
					}
				}
				
				if (ruleMethod == 'confirm') {
					if (this.validateConfirm(el, ruleArgs) == false) {
						el.isOk = false;
					}
				}
				if (ruleMethod == 'differs') {
					if (this.validateDiffers(el, ruleArgs) == false) {
						el.isOk = false;
					}
				}
				if (el.get('tag') == "select" || (el.type == "checkbox" && ruleMethod == 'required')) {
					if (this.simpleValidate(el) == false) {
						el.isOk = false;
					}
				}
				if(rule.match(/%[A-Z0-9\._-]+$/i) || (el.isOk && rule.match(/~[A-Z0-9\._-]+$/i))) {
					if(eval(rule.slice(1)+'(el)') == false) {
						el.isOk = false;
					}
				}
				
			}
		}, this);
		
		if (el.isOk) return true;
		else return false;
	},
	
	/*
	Function: simpleValidate
		Private method
		
		Perform simple check for select fields and checkboxes
	*/
	simpleValidate : function(el) {
		if (el.get('tag') == 'select' && el.selectedIndex <= 0) {
			el.errors.push(this.options.alerts.select);
			return false;
		} else if (el.type == "checkbox" && el.checked == false) {
			el.errors.push(this.options.alerts.checkbox);
			return false;
		}
		return true;
	},
	
	/*
	Function: validateRegex
		Private method
		
		Perform regex validations
	*/
	validateRegex : function(el, ruleMethod, ruleArgs) {
		var msg = "";
		if (ruleArgs[1] && ruleMethod == 'length') {
			if (ruleArgs[1] == -1) {
				this.options.regexp.length = new RegExp("^[\\s\\S]{"+ ruleArgs[0] +",}$");
				msg = this.options.alerts.lengthmin.replace("%0",ruleArgs[0]);
			} else if(ruleArgs[0] == ruleArgs[1]) {
				this.options.regexp.length = new RegExp("^[\\s\\S]{"+ ruleArgs[0] +"}$");
				msg = this.options.alerts.length_fix.replace("%0",ruleArgs[0]);
			} else {
				this.options.regexp.length = new RegExp("^[\\s\\S]{"+ ruleArgs[0] +","+ ruleArgs[1] +"}$");
				msg = this.options.alerts.length_str.replace("%0",ruleArgs[0]).replace("%1",ruleArgs[1]);
			}
		} else if (ruleArgs[0] && ruleMethod == 'length') {
			this.options.regexp.length = new RegExp("^.{0,"+ ruleArgs[0] +"}$");
			msg = this.options.alerts.lengthmax.replace("%0",ruleArgs[0]);
		} else {
			msg = this.options.alerts[ruleMethod];
		}
		if (ruleArgs[1] && ruleMethod == 'digit') {
			var regres = true;
			if (!this.options.regexp.digit.test(el.value)) {
				el.errors.push(this.options.alerts[ruleMethod]);
				regres = false;
			}
			if (ruleArgs[1] == -1) {
				if (el.value >= ruleArgs[0]) var valueres = true; else var valueres = false;
				msg = this.options.alerts.digitmin.replace("%0",ruleArgs[0]);
			} else {
				if (el.value >= ruleArgs[0] && el.value <= ruleArgs[1]) var valueres = true; else var valueres = false;
				msg = this.options.alerts.digitltd.replace("%0",ruleArgs[0]).replace("%1",ruleArgs[1]);
			}
			if (regres == false || valueres == false) {
				el.errors.push(msg);
				return false;
			}
		} else if (this.options.regexp[ruleMethod].test(el.value) == false)  {
			el.errors.push(msg);
			return false;
		}
		return true;
	},

	/*
	Function: validateConfirm
		Private method
		
		Perform confirm validations
	*/
	validateConfirm: function(el,ruleArgs) {
		
		var confirm = ruleArgs[0];
		if(el.value != this.form[confirm].value){
			if (this.options.display.titlesInsteadNames)
				var msg = this.options.alerts.confirm.replace("%0",this.form[confirm].getProperty('title'));
			else
				var msg = this.options.alerts.confirm.replace("%0",confirm);
			el.errors.push(msg);
			return false;
		}
		return true;
	},
	
	/*
	Function: validateDiffers
		Private method
		
		Perform differs validations
	*/
	validateDiffers: function(el,ruleArgs) {
		var differs = ruleArgs[0];
		if(el.value == this.form[differs].value){
			if (this.options.display.titlesInsteadNames)
				var msg = this.options.alerts.differs.replace("%0",this.form[differs].getProperty('title'));
			else
				var msg = this.options.alerts.differs.replace("%0",differs);
			el.errors.push(msg);
			return false;
		}
		return true;
	},
	
	/*
	Function: isChildType
		Private method
		
		Determine if the field is a group of radio or not.
	*/
	isChildType: function(el) {
		return ($defined(el.type) && el.type == 'radio') ? true : false;
	},
	
	/*
	Function: validateGroup
		Private method
		
		Perform radios validations
	*/
	validateGroup : function(el) {
		el.errors = [];
		var nlButtonGroup = this.form[el.getProperty("name")];
		el.group = nlButtonGroup;
		var cbCheckeds = false;
		
		for(var i = 0; i < nlButtonGroup.length; i++) {
			if(nlButtonGroup[i].checked) {
				cbCheckeds = true;
			}
		}
		if(cbCheckeds == false) {
			el.errors.push(this.options.alerts.radios);
			return false;
		} else {
			return true;	
		}
	},
	
	/*
	Function: listErrorsAtTop
		Private method
		
		Display errors
	*/
	listErrorsAtTop : function(obj) {
		if(!this.form.element) {
			 this.form.element = new Element('div', {'id' : 'errorlist', 'class' : this.options.errorClass}).injectTop(this.form);
		}
		if ($type(obj) == 'collection') {
			new Element('p').set('html',"<span>" + obj[0].name + " : </span>" + obj[0].errors[0]).injectInside(this.form.element);
		} else {
			if ((obj.validation.contains('required') && obj.errors.length > 0) || (obj.errors.length > 0 && obj.value && obj.validation.contains('required') == false)) {
				obj.errors.each(function(error) {
					new Element('p').set('html',"<span>" + obj.name + " : </span>" + error).injectInside(this.form.element);
				}, this);
			}
		}
	},
	
	/*
	Function: manageError
		Private method
		
		Manage display of errors boxes
	*/
	manageError : function(el, method) {
		var isValid = this.validate(el);
		if ((!isValid && el.validation.flatten()[0].contains('confirm[')) || (!isValid && el.validation.contains('required')) || (!el.validation.contains('required') && el.value && !isValid)) {
			if(this.options.display.listErrorsAtTop == true && method == 'submit')
				this.listErrorsAtTop(el, method);
			if (this.options.display.indicateErrors == 2 ||this.alreadyIndicated == false || el.name == this.alreadyIndicated.name)
			{
				if(!this.firstError) this.firstError = el;
				
				this.alreadyIndicated = el;
				
				if (this.options.display.keepFocusOnError && el.name == this.firstError.name) (function(){el.focus()}).delay(20);
				this.addError(el);
				return false;
			}
		} else if ((isValid || (!el.validation.contains('required') && !el.value)) && el.element) {
			this.removeError(el);
			return true;
		}
		return true;
	},
	
	/*
	Function: addError
		Private method
		
		Add error message
	*/
	addError : function(obj) {
		if(!obj.element && this.options.display.indicateErrors != 0) {
			if (this.options.display.errorsLocation == 1) {
				var pos = (this.options.display.tipsPosition == 'left') ? obj.getCoordinates().left : obj.getCoordinates().right;
				var options = {
					'opacity' : 0,
					'position' : 'absolute',
					'float' : 'left',
					'left' : pos + this.options.display.tipsOffsetX
				}
				obj.element = new Element('div', {'class' : this.options.tipsClass, 'styles' : options}).injectInside(document.body);
				this.addPositionEvent(obj);
			} else if (this.options.display.errorsLocation == 2){
				obj.element = new Element('div', {'class' : this.options.errorClass, 'styles' : {'opacity' : 0}}).injectBefore(obj);
			} else if (this.options.display.errorsLocation == 3){
				obj.element = new Element('div', {'class' : this.options.errorClass, 'styles' : {'opacity' : 0}});
				if ($type(obj.group) == 'object' || $type(obj.group) == 'collection')
					obj.element.injectAfter(obj.group[obj.group.length-1]);
				else
					obj.element.injectAfter(obj);
			}
		}					
		if (obj.element && obj.element != true) {
			obj.element.empty();
			if (this.options.display.errorsLocation == 1) {
				var errors = [];
				obj.errors.each(function(error) {
					errors.push(new Element('p').set('html', error));
				});
				var tips = this.makeTips(errors).injectInside(obj.element);
				if(this.options.display.closeTipsButton) {
					tips.getElements('a.close').addEvent('mouseup', function(){
						this.removeError(obj);
					}.bind(this));
					tips.getElements('div.err').addEvent('mouseup', function(){
						this.removeError(obj);
					}.bind(this));
				}
				obj.element.setStyle('top', obj.getCoordinates().top - tips.getCoordinates().height + this.options.display.tipsOffsetY);
			} else {
				obj.errors.each(function(error) {
					new Element('p').set('html',error).injectInside(obj.element);
				});
			}
			
			if (!this.options.display.fadeDuration || Browser.Engine.trident && Browser.Engine.version == 5 && this.options.display.errorsLocation < 2) {
				obj.element.setStyle('opacity', 1);
			} else {
				obj.fx = new Fx.Tween(obj.element, {
					'duration' : this.options.display.fadeDuration,
					'ignore' : true,
					'onStart' : function(){
						this.fxRunning = true;
					}.bind(this),
					'onComplete' : function() {
						this.fxRunning = false;
						if (obj.element && obj.element.getStyle('opacity').toInt() == 0) {
							obj.element.destroy();
							obj.element = false;
						}
					}.bind(this)
				})
				if(obj.element.getStyle('opacity').toInt() != 1) obj.fx.start('opacity', 1);
			}
		}
		if (this.options.display.addClassErrorToField && this.isChildType(obj) == false){
			obj.addClass(this.options.fieldErrorClass);
			obj.element = obj.element || true;
		}
			
	},
	
	/*
	Function: addPositionEvent
		
		Update tips position after a browser resize
	*/
	addPositionEvent : function(obj) {
		if(this.options.display.replaceTipsEffect) {
			obj.event = function(){
				new Fx.Morph(obj.element, {
					'duration' : this.options.display.fadeDuration
				}).start({ 
					'left':[obj.element.getStyle('left'), obj.getCoordinates().right + this.options.display.tipsOffsetX],
					'top':[obj.element.getStyle('top'), obj.getCoordinates().top - obj.element.getCoordinates().height + this.options.display.tipsOffsetY]
				});
			}.bind(this);
			
		} else {
			obj.event = function(){
				obj.element.setStyles({ 
					'left':obj.getCoordinates().right + this.options.display.tipsOffsetX,
					'top':obj.getCoordinates().top - obj.element.getCoordinates().height + this.options.display.tipsOffsetY
				});
			}.bind(this)
		}
		window.addEvent('resize', obj.event);
	},
	
	/*
	Function: removeError
		Private method
		
		Remove the error display
	*/
	removeError : function(obj) {
		this.alreadyIndicated = false;
		obj.errors = [];
		obj.isOK = true;
		window.removeEvent('resize', obj.event);
		if (this.options.display.errorsLocation >= 2 && obj.element) {
			new Fx.Tween(obj.element, {
				'duration': this.options.display.fadeDuration
			}).start('height', 0);
		}
		if (!this.options.display.fadeDuration || Browser.Engine.trident && Browser.Engine.version == 5 && this.options.display.errorsLocation == 1 && obj.element) {
			this.fxRunning = true;
			obj.element.destroy();
			obj.element = false;
			(function(){this.fxRunning = false}.bind(this)).delay(200);
		} else if (obj.element && obj.element != true) {
			obj.fx.start('opacity', 0);
		}
		
		if (this.options.display.addClassErrorToField && !this.isChildType(obj))
			obj.removeClass(this.options.fieldErrorClass);
	},
	
	/*
	Function: focusOnError
		Private method
		
		Create set the focus to the first field with an error if needed
	*/
	focusOnError : function (obj) {
		if (this.options.display.scrollToFirst && !this.alreadyFocused && !this.isScrolling) {
			if (!this.options.display.indicateErrors || !this.options.display.errorsLocation) {
				var dest = obj.getCoordinates().top-30;
			} else if (this.alreadyIndicated.element) {
				switch (this.options.display.errorsLocation){
					case 1 : 
						var dest = obj.element.getCoordinates().top;
						break;
					case 2 :
						var dest = obj.element.getCoordinates().top-30;
						break;
					case 3 :
						var dest = obj.getCoordinates().top-30;
						break;
				}
				this.isScrolling = true;
			}
			if (window.getScroll.y != dest) {
				new Fx.Scroll(window, {
					onComplete : function() {
						this.isScrolling = false;
						obj.focus();
					}.bind(this)
				}).start(0,dest);
			} else {
				this.isScrolling = false;
				obj.focus();
			}
			this.alreadyFocused = true;
		}
	},
	
	/*
	Function: fixIeStuffs
		Private method
		
		Fix png for IE6
	*/
	fixIeStuffs : function () {
		if (Browser.Engine.trident4) {
			//We fix png stuffs
			var rpng = new RegExp('url\\(([\.a-zA-Z0-9_/:-]+\.png)\\)');
			var search = new RegExp('(.+)formcheck\.css');
			for (var i = 0; i < document.styleSheets.length; i++){
				if (document.styleSheets[i].href.match(/formcheck\.css$/)) {
					var root = document.styleSheets[i].href.replace(search, '$1');
					var count = document.styleSheets[i].rules.length;
					for (var j = 0; j < count; j++){
						var cssstyle = document.styleSheets[i].rules[j].style;
						var bgimage = root + cssstyle.backgroundImage.replace(rpng, '$1');
						if (bgimage && bgimage.match(/\.png/i)){
							var scale = (cssstyle.backgroundRepeat == 'no-repeat') ? 'crop' : 'scale';
							cssstyle.filter =  'progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, src=\'' + bgimage + '\', sizingMethod=\''+ scale +'\')';
							cssstyle.backgroundImage = "none";
						}
					}
				}
			}
		}
	},
	
	/*
	Function: makeTips
		Private method
		
		Create tips boxes
	*/
	makeTips : function(txt) {
		var table = new Element('table');
			table.cellPadding ='0';
			table.cellSpacing ='0';
			table.border ='0';
			
			var tbody = new Element('tbody').injectInside(table);
				var tr1 = new Element('tr').injectInside(tbody);
					new Element('td', {'class' : 'tl'}).injectInside(tr1);
					new Element('td', {'class' : 't'}).injectInside(tr1);
					new Element('td', {'class' : 'tr'}).injectInside(tr1);
				var tr2 = new Element('tr').injectInside(tbody);
					new Element('td', {'class' : 'l'}).injectInside(tr2);
					var cont = new Element('td', {'class' : 'c'}).injectInside(tr2);
						var errors = new Element('div', {'class' : 'err'}).injectInside(cont);
						txt.each(function(error) {
							error.injectInside(errors);
						});
						if (this.options.display.closeTipsButton) new Element('a',{'class' : 'close', 'text' : 'x'}).injectInside(cont);
					new Element('td', {'class' : 'r'}).injectInside(tr2);
				var tr3 = new Element('tr').injectInside(tbody);
					new Element('td', {'class' : 'bl'}).injectInside(tr3);
					new Element('td', {'class' : 'b'}).injectInside(tr3);
					new Element('td', {'class' : 'br'}).injectInside(tr3);			
		return table;
	},
	
	/*
	Function: reinitialize
		Private method		
		
		Reinitialize form before submit check
	*/
	reinitialize: function() {
		this.validations.each(function(el) {
			if (el.element) {
				el.errors = [];
				el.isOK = true;
				if(this.options.display.flashTips == 1) {
					el.element.destroy();
					el.element = false;
				}
			}
		}, this);
		if (this.form.element) this.form.element.empty();
		this.alreadyFocused = false;
		this.firstError = false;
		this.elementToRemove = this.alreadyIndicated;
		this.alreadyIndicated = false;
		this.form.isValid = true;
	},
	
	/*
	Function: submitByAjax
		Private method		
		
		Send the form by ajax, and replace the form with response
	*/
	
	submitByAjax: function() {
		var url = this.form.getProperty('action');
		this.fireEvent('ajaxRequest');
		new Request({
			url: url,
			method: this.form.getProperty('method'),
			data : this.form.toQueryString(),
			evalScripts: this.options.ajaxEvalScripts,
			onFailure: function(instance){
				this.fireEvent('ajaxFailure', instance);
			}.bind(this),
			onSuccess: function(result){
				this.fireEvent('ajaxSuccess', result);
				if(this.options.ajaxResponseDiv) $(this.options.ajaxResponseDiv).set('html',result);
			}.bind(this)
		}).send();
	},
	
	/*
	Function: onSubmit
		Private method		
		
		Perform check on submit action
	*/
	onSubmit: function(event) {
		this.reinitialize();
	
		this.validations.each(function(el) {
			var validation = this.manageError(el,'submit');
			if(!validation) this.form.isValid = false;
		}, this);
	    
		if (this.form.isValid) {
			if (this.options.submitByAjax) {
				new Event(event).stop();
				this.submitByAjax();
			}
		} else {
			new Event(event).stop();
			if (this.elementToRemove && this.elementToRemove != this.firstError && this.options.display.indicateErrors == 1) {
				this.removeError(this.elementToRemove);
			}
			this.focusOnError(this.firstError)
		}
	}
});/*
	mediaboxAdvanced v0.9.9f - The ultimate extension of Mediabox into an all-media script
	updated 2009.03.28
	(c) 2007-2009 John Einselen <http://iaian7.com>
		based on
	Slimbox v1.64 - The ultimate lightweight Lightbox clone
	(c) 2007-2008 Christophe Beyls <http://www.digitalia.be>
	MIT-style license.
*/

var Mediabox;

(function() {

	// Global variables, accessible to Mediabox only
	var state = 0, options, images, activeImage, prevImage, nextImage, top, fx, preload, preloadPrev = new Image(), preloadNext = new Image(),	// State values: 0 (closed or closing), 1 (open and ready), 2+ (open and busy with animation)
	// DOM elements
	overlay, center, image, bottomContainer, bottom, captionSplit, title, caption, prevLink, number, nextLink,
	// Mediabox specific vars
	URL, WH, WHL, elrel, mediaWidth, mediaHeight, mediaType = "none", mediaSplit, mediaId = "mediaBox", mediaFmt;

	/*
		Initialization
	*/

	window.addEvent("domready", function() {
		// Create and append the Mediabox HTML code at the bottom of the document
		$(document.body).adopt(
			$$([
				overlay = new Element("div", {id: "mbOverlay"}).addEvent("click", close),
				center = new Element("div", {id: "mbCenter"}),
				bottomContainer = new Element("div", {id: "mbBottomContainer"})
			]).setStyle("display", "none")
		);

		image = new Element("div", {id: "mbImage"}).injectInside(center);
		bottom = new Element("div", {id: "mbBottom"}).injectInside(bottomContainer).adopt(
			new Element("a", {id: "mbCloseLink", href: "#"}).addEvent("click", close),
			nextLink = new Element("a", {id: "mbNextLink", href: "#"}).addEvent("click", next),
			prevLink = new Element("a", {id: "mbPrevLink", href: "#"}).addEvent("click", previous),
			title = new Element("div", {id: "mbTitle"}),
			number = new Element("div", {id: "mbNumber"}),
			caption = new Element("div", {id: "mbCaption"}),
			new Element("div", {styles: {clear: "both"}})
		);

		fx = {
			overlay: new Fx.Tween(overlay, {property: "opacity", duration: 360}).set(0),
			image: new Fx.Tween(image, {property: "opacity", duration: 360, onComplete: nextEffect}),
			bottom: new Fx.Tween(bottom, {property: "margin-top", duration: 240})
		};
	});

	/*
		API
	*/

	Mediabox = {
		close: function(){ 
			close();	// Thanks to Yosha on the google group for fixing the close function API!
		}, 

		open: function(_images, startImage, _options) {
			options = $extend({
				loop: false,					// Allows to navigate between first and last images
				stopKey: false,					// Prevents default keyboard action (such as up/down arrows), in lieu of the shortcuts
													// Does not apply to iFrame content
													// Does not affect mouse scrolling
				overlayOpacity: 0.7,			// 1 is opaque, 0 is completely transparent (change the color in the CSS file)
													// Remember that Firefox 2 and Camino 1.6 on the Mac require a background .png set in the CSS
				resizeDuration: 100,			// Duration of each of the box resize animations (in milliseconds)
				resizeTransition: false,		// Default transition in mootools
				initialWidth: 200,				// Initial width of the box (in pixels)
				initialHeight: 240,				// Initial height of the box (in pixels)
				showCaption: true,				// Display the title and caption, true / false
				animateCaption: true,			// Animate the caption, true / false
				showCounter: true,				// If true, a counter will only be shown if there is more than 1 image to display
				counterText: '  ({x} van {y})',	// Translate or change as you wish
//			Global media options
				scriptaccess: 'true',		// Allow script access to flash files
				fullscreen: 'true',			// Use fullscreen
				fullscreenNum: '1',			// 1 = true
				autoplay: 'true',			// Plays the video as soon as it's opened
				autoplayNum: '1',			// 1 = true
				autoplayYes: 'yes',			// yes = true
				bgcolor: '#1761AB',			// Background color, used for both flash and QT media
//			JW Media Player settings and options
				playerpath: DOC_ROOT + 'video/player.swf',	// Path to the mediaplayer.swf or flvplayer.swf file
				backcolor:  '1761AB',		// Base color for the controller, color name / hex value (0x000000)
				frontcolor: 'ffffff',		// Text and button color for the controller, color name / hex value (0x000000)
				lightcolor: '1761AB',		// Rollover color for the controller, color name / hex value (0x000000)
				screencolor: '000000',		// Rollover color for the controller, color name / hex value (0x000000)
				controlbar: 'over',			// bottom, over, none (this setting is ignored when playing audio files)
//			NonverBlaster
				useNB: false,				// use NonverBlaster in place of the JW Media Player for .flv and .mp4 files
				NBpath: '../js/NonverBlaster.swf',	// Path to NonverBlaster.swf
				NBloop: 'true',				// Loop video playback, true / false
				controllerColor: '0x777777',	// set the controlbar colour
				showTimecode: 'false',		// turn timecode display off or on
//			Quicktime options
				controller: 'true',			// Show controller, true / false
//			Flickr options
				flInfo: 'true',				// Show title and info at video start
//			Revver options
				revverID: '187866',			// Revver affiliate ID, required for ad revinue sharing
				revverFullscreen: 'true',	// Fullscreen option
				revverBack: '000000',		// Background colour
				revverFront: 'ffffff',		// Foreground colour
				revverGrad: '000000',		// Gradation colour
//			Youtube options
				ytColor1: '000000',			// Outline colour
				ytColor2: '333333',			// Base interface colour (highlight colours stay consistent)
				ytQuality: '&ap=%2526fmt%3D18',	// Empty for standard quality, use '&ap=%2526fmt%3D18' for high quality, and '&ap=%2526fmt%3D22' for HD (note that not all videos are availible in high quality, and very few in HD)
//			Vimeo options
				vdPlayer: 'false',			// Use simple (smaller) player (22px less)
//			Vimeo options
				vmTitle: '1',				// Show video title
				vmByline: '1',				// Show byline
				vmPortrait: '1',			// Show author portrait
				vmColor: 'ffffff'			// Custom controller colours, hex value minus the # sign, defult is 5ca0b5
			}, _options || {});

			if (typeof _images == "string") {	// The function is called for a single image, with URL and Title as first two arguments
				_images = [[_images,startImage,_options]];
				startImage = 0;
			}

// Fixes Firefox 2 and Camino 1.6 incompatibility with opacity + flash
if ((Browser.Engine.gecko) && (Browser.Engine.version<19)) {
	options.overlayOpacity = 1;
	overlay.className = 'mbOverlayFF';
}

			images = _images;
			options.loop = options.loop && (images.length > 1);
			position();
			setup(true);
			top = window.getScrollTop() + (window.getHeight() / 5);
			fx.resize = new Fx.Morph(center, $extend({duration: options.resizeDuration, onComplete: nextEffect}, options.resizeTransition ? {transition: options.resizeTransition} : {}));
			center.setStyles({top: top, width: options.initialWidth, height: options.initialHeight, marginLeft: -(options.initialWidth/2), display: ""});
			fx.overlay.start(options.overlayOpacity);
			state = 1;
			return changeImage(startImage);
		}
	};

	Element.implement({
		mediabox: function(_options, linkMapper) {
			$$(this).mediabox(_options, linkMapper);	// The processing of a single element is similar to the processing of a collection with a single element

			return this;
		}
	});

	Elements.implement({
		/*
			options:	Optional options object, see Mediabox.open()
			linkMapper:	Optional function taking a link DOM element and an index as arguments and returning an array containing 3 elements:
					the image URL and the image caption (may contain HTML)
			linksFilter:	Optional function taking a link DOM element and an index as arguments and returning true if the element is part of
					the image collection that will be shown on click, false if not. "this" refers to the element that was clicked.
					This function must always return true when the DOM element argument is "this".
		*/
		mediabox: function(_options, linkMapper, linksFilter) {
			linkMapper = linkMapper || function(el) {
				elrel = el.rel.split(/[\[\]]/);
				elrel = elrel[1];
				return [el.href, el.title, elrel];
			};

			linksFilter = linksFilter || function() {
				return true;
			};

			var links = this;

			links.removeEvents("click").addEvent("click", function() {
				// Build the list of images that will be displayed
				var filteredArray = links.filter(linksFilter, this);
				var filteredLinks = [];
				var filteredHrefs = [];

				filteredArray.each(function(item, index){
					if(filteredHrefs.indexOf(item.toString()) < 0) {
						filteredLinks.include(filteredArray[index]);
						filteredHrefs.include(filteredArray[index].toString());
					};
				});

				return Mediabox.open(filteredLinks.map(linkMapper), filteredHrefs.indexOf(this.toString()), _options);
			});

			return links;
		}
	});

	/*
		Internal functions
	*/

	function position() {
		overlay.setStyles({top: window.getScrollTop(), height: window.getHeight()});
	}

	function setup(open) {
		// Hides on-page objects and embeds while the overlay is open to counteract Firefox stupidity
		["object", window.ie ? "select" : "embed"].forEach(function(tag) {
			Array.forEach(document.getElementsByTagName(tag), function(el) {
				if (open) el._mediabox = el.style.visibility;
				el.style.visibility = open ? "hidden" : el._mediabox;
			});
		});

		overlay.style.display = open ? "" : "none";

		var fn = open ? "addEvent" : "removeEvent";
		window[fn]("scroll", position)[fn]("resize", position);
		document[fn]("keydown", keyDown);
	}

	function keyDown(event) {
		switch(event.code) {
			case 27:	// Esc
			case 88:	// 'x'
			case 67:	// 'c'
				close();
				break;
			case 37:	// Left arrow
			case 80:	// 'p'
				previous();
				break;	
			case 39:	// Right arrow
			case 78:	// 'n'
				next();
		}
		if (options.stopKey) { return false; };
	}

	function previous() {
		return changeImage(prevImage);
	}

	function next() {
		return changeImage(nextImage);
	}

	function changeImage(imageIndex) {
		if ((state == 1) && (imageIndex >= 0)) {
			state = 2;
			image.set('html', '');
			activeImage = imageIndex;
			prevImage = ((activeImage || !options.loop) ? activeImage : images.length) - 1;
			nextImage = activeImage + 1;
			if (nextImage == images.length) nextImage = options.loop ? 0 : -1;

			$$(prevLink, nextLink, image, bottomContainer).setStyle("display", "none");
			fx.bottom.cancel().set(0);
			fx.image.set(0);
			center.className = "mbLoading";

// MEDIABOX FORMATING
			WH = images[imageIndex][2].split(' ');
			WHL = WH.length;
			if (WHL>1) {
				mediaWidth = (WH[WHL-2].match("%")) ? (window.getWidth()*("0."+(WH[WHL-2].replace("%", ""))))+"px" : WH[WHL-2]+"px";
				mediaHeight = (WH[WHL-1].match("%")) ? (window.getHeight()*("0."+(WH[WHL-1].replace("%", ""))))+"px" : WH[WHL-1]+"px";
			} else {
				mediaWidth = "";
				mediaHeight = "";
			}
			URL = images[imageIndex][0];
			captionSplit = images[activeImage][1].split('::');
// Quietube support
			if (URL.match(/quietube\.com/i)) {
				mediaSplit = URL.split('v.php/');
				URL = mediaSplit[1];
			}
// MEDIA TYPES
// IMAGES
			if (URL.match(/\.gif|\.jpg|\.png/i)) {
				mediaType = 'img';
				preload = new Image();
				preload.onload = nextEffect;
				preload.src = images[imageIndex][0];
// FLV, MP4
			} else if (URL.match(/\.flv|\.mp4|\.f4v/i)) {
				mediaType = 'obj';
				mediaWidth = mediaWidth || options.initialWidth;
				mediaHeight = mediaHeight || options.initialHeight;
				if (options.useNB) {
				preload = new Swiff(''+options.NBpath+'?videoURL='+URL+'&allowSmoothing=true&autoPlay='+options.autoplay+'&buffer=6&showTimecode='+options.showTimecode+'&loop='+options.NBloop+'&controlColour='+options.controllerColor+'&scaleIfFullScreen=true&showScalingButton=false', {
					id: 'MediaboxSWF',
					width: mediaWidth,
					height: mediaHeight,
					params: {wmode: 'opaque', bgcolor: options.bgcolor, allowscriptaccess: options.scriptaccess, allowfullscreen: options.fullscreen}
					});
				} else {
				preload = new Swiff(''+options.playerpath+'?file='+URL+'&backcolor='+options.backcolor+'&frontcolor='+options.frontcolor+'&lightcolor='+options.lightcolor+'&screencolor='+options.screencolor+'&autostart='+options.autoplay+'&controlbar='+options.controlbar, {
					id: 'MediaboxSWF',
					width: mediaWidth,
					height: mediaHeight,
					params: {wmode: 'opaque', bgcolor: options.bgcolor, allowscriptaccess: options.scriptaccess, allowfullscreen: options.fullscreen}
					});
				}
				nextEffect();
// MP3, AAC
			} else if (URL.match(/\.mp3|\.aac/i)) {
				mediaType = 'obj';
				mediaWidth = mediaWidth || options.initialWidth;
				mediaHeight = mediaHeight || options.initialHeight;
				preload = new Swiff(''+options.playerpath+'?file='+URL+'&backcolor='+options.backcolor+'&frontcolor='+options.frontcolor+'&lightcolor='+options.lightcolor+'&screencolor='+options.screencolor+'&autostart='+options.autoplay, {
					id: 'MediaboxSWF',
					width: mediaWidth,
					height: mediaHeight,
					params: {wmode: 'opaque', bgcolor: options.bgcolor, allowscriptaccess: options.scriptaccess, allowfullscreen: options.fullscreen}
					});
				nextEffect();
// SWF
			} else if (URL.match(/\.swf/i)) {
				mediaType = 'obj';
				mediaWidth = mediaWidth || options.initialWidth;
				mediaHeight = mediaHeight || options.initialHeight;
				preload = new Swiff(URL, {
					id: 'MediaboxSWF',
					width: mediaWidth,
					height: mediaHeight,
					params: {wmode: 'opaque', bgcolor: options.bgcolor, allowscriptaccess: options.scriptaccess, allowfullscreen: options.fullscreen}
					});
				nextEffect();
// SOCIAL SITES
// Facebook
			} else if (URL.match(/facebook\.com/i)) {
				mediaType = 'obj';
				mediaWidth = mediaWidth || "320px";
				mediaHeight = mediaHeight || "240px";
				mediaSplit = URL.split('v=');
				mediaSplit = mediaSplit[1].split('&');
				mediaId = mediaSplit[0];
				preload = new Swiff('http://www.facebook.com/v/'+mediaId, {
					movie: 'http://www.facebook.com/v/'+mediaId,
					classid: 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000',
					width: mediaWidth,
					height: mediaHeight,
					params: {wmode: 'opaque', bgcolor: options.bgcolor, allowscriptaccess: options.scriptaccess, allowfullscreen: options.fullscreen}
					});
				startEffect();
// Flickr
			} else if (URL.match(/flickr\.com/i)) {
				mediaType = 'obj';
				mediaWidth = mediaWidth || "500px";
				mediaHeight = mediaHeight || "375px";
				mediaSplit = URL.split('/');
				mediaId = mediaSplit[5];
				preload = new Swiff('http://www.flickr.com/apps/video/stewart.swf', {
					id: mediaId,
					classid: 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000',
					width: mediaWidth,
					height: mediaHeight,
					params: {flashvars: 'photo_id='+mediaId+'&amp;show_info_box='+options.flInfo, wmode: 'opaque', bgcolor: options.bgcolor, allowscriptaccess: options.scriptaccess, allowfullscreen: options.fullscreen}
					});
				nextEffect();
// Google Video
			} else if (URL.match(/google\.com\/videoplay/i)) {
				mediaType = 'obj';
				mediaWidth = mediaWidth || "400px";
				mediaHeight = mediaHeight || "326px";
				mediaSplit = URL.split('=');
				mediaId = mediaSplit[1];
				preload = new Swiff('http://video.google.com/googleplayer.swf?docId='+mediaId+'&autoplay='+options.autoplayNum, {
					id: mediaId,
					width: mediaWidth,
					height: mediaHeight,
					params: {wmode: 'opaque', bgcolor: options.bgcolor, allowscriptaccess: options.scriptaccess, allowfullscreen: options.fullscreen}
					});
				nextEffect();
// YouTube
			} else if (URL.match(/youtube\.com\/watch/i)) {
				mediaType = 'obj';
				mediaSplit = URL.split('v=');
				mediaId = mediaSplit[1];
				if (mediaId.match(/fmt=18/i)) {
					mediaFmt = '&ap=%2526fmt%3D18';
					mediaWidth = mediaWidth || "560px";
					mediaHeight = mediaHeight || "345px";
				} else if (mediaId.match(/fmt=22/i)) {
					mediaFmt = '&ap=%2526fmt%3D22';
					mediaWidth = mediaWidth || "640px";
					mediaHeight = mediaHeight || "385px";
				} else {
					mediaFmt = options.ytQuality;
					mediaWidth = mediaWidth || "480px";
					mediaHeight = mediaHeight || "295px";
				}
				preload = new Swiff('http://www.youtube.com/v/'+mediaId+'&autoplay='+options.autoplayNum+'&fs='+options.fullscreenNum+mediaFmt+'&color1=0x'+options.ytColor1+'&color2=0x'+options.ytColor2, {
					id: mediaId,
					width: mediaWidth,
					height: mediaHeight,
					params: {wmode: 'opaque', bgcolor: options.bgcolor, allowscriptaccess: options.scriptaccess, allowfullscreen: options.fullscreen}
					});
				nextEffect();
// YouTube
			} else if (URL.match(/youtube\.com\/view/i)) {
				mediaType = 'obj';
				mediaSplit = URL.split('p=');
				mediaId = mediaSplit[1];
				mediaWidth = mediaWidth || "480px";
				mediaHeight = mediaHeight || "385px";
				preload = new Swiff('http://www.youtube.com/p/'+mediaId+'&autoplay='+options.autoplayNum+'&fs='+options.fullscreenNum+mediaFmt+'&color1=0x'+options.ytColor1+'&color2=0x'+options.ytColor2, {
					id: mediaId,
					width: mediaWidth,
					height: mediaHeight,
					params: {wmode: 'opaque', bgcolor: options.bgcolor, allowscriptaccess: options.scriptaccess, allowfullscreen: options.fullscreen}
					});
				nextEffect();
// Vimeo
			} else if (URL.match(/vimeo\.com/i)) {
				mediaType = 'obj';
				mediaWidth = mediaWidth || "400px";
				mediaHeight = mediaHeight || "225px";
				mediaSplit = URL.split('/');
				mediaId = mediaSplit[3];
				preload = new Swiff('http://www.vimeo.com/moogaloop.swf?clip_id='+mediaId+'&amp;server=www.vimeo.com&amp;fullscreen='+options.fullscreenNum+'&amp;autoplay='+options.autoplayNum+'&amp;show_title='+options.vmTitle+'&amp;show_byline='+options.vmByline+'&amp;show_portrait='+options.vmPortrait+'&amp;color='+options.vmColor, {
					id: mediaId,
					width: mediaWidth,
					height: mediaHeight,
					params: {wmode: 'opaque', bgcolor: options.bgcolor, allowscriptaccess: options.scriptaccess, allowfullscreen: options.fullscreen}
					});
				nextEffect();
// CONTENT TYPES
// INLINE
			} else if (URL.match(/\#mb_/i)) {
				mediaType = 'inline';
				URLsplit = URL.split('#');
				preload = $(URLsplit[1]).get('html');
				mediaWidth = $(URLsplit[1]).getStyle('width');
				mediaHeight = $(URLsplit[1]).getStyle('height');
				nextEffect();
// HTML
			} else {
				mediaType = 'url';
				mediaWidth = mediaWidth || options.initialWidth;
				mediaHeight = mediaHeight || options.initialHeight;
				mediaId = "mediaId_"+new Date().getTime();	// Safari will not update iframe content with a static id.
				preload = new Element('iframe', {
//					'href': URL,
					'src': URL,
					'id': mediaId,
					'width': mediaWidth,
					'height': mediaHeight,
					'frameborder': 0
					});
				nextEffect();
			}
		}
		return false;
	}

	function nextEffect() {
		switch (state++) {
			case 2:
				if (mediaType == "img"){
					mediaWidth = preload.width;
					mediaHeight = preload.height;
					image.setStyles({backgroundImage: "url("+URL+")", display: ""});
				} else if (mediaType == "obj") {
					if (Browser.Plugins.Flash.version<8) {
						image.setStyles({backgroundImage: "none", display: ""});
						image.set('html', '<div id="mbError"><b>Error</b><br/>Adobe Flash is either not installed or not up to date,<br/>please visit <a href="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" title="Get Flash" target="_new">Adobe.com</a> to download the free player.</div>');
					} else {
						image.setStyles({backgroundImage: "none", display: ""});
						preload.inject(image);
					}
				} else if (mediaType == "inline") {
					image.setStyles({backgroundImage: "none", display: ""});
					image.set('html', preload);
				} else if (mediaType == "url") {
					image.setStyles({backgroundImage: "none", display: ""});
					preload.inject(image);
				} else {
					alert('this file type is not supported\n'+URL+'\nplease visit iaian7.com/webcode/Mediabox for more information');
				}
				$$(image, bottom).setStyle("width", mediaWidth);
				image.setStyle("height", mediaHeight);

				title.set('html', (options.showCaption) ? captionSplit[0] : "");
				caption.set('html', (options.showCaption && (captionSplit.length > 1)) ? captionSplit[1] : "");
				number.set('html', (options.showCounter && (images.length > 1)) ? options.counterText.replace(/{x}/, activeImage + 1).replace(/{y}/, images.length) : "");

				if ((prevImage >= 0) && (images[prevImage][0].match(/\.gif|\.jpg|\.png/i))) preloadPrev.src = images[prevImage][0];
				if ((nextImage >= 0) && (images[nextImage][0].match(/\.gif|\.jpg|\.png/i))) preloadNext.src = images[nextImage][0];

				state++;
			case 3:
				center.className = "";
				fx.resize.start({height: image.offsetHeight, width: image.offsetWidth, marginLeft: -image.offsetWidth/2});
				break;
				state++;
			case 4:
				bottomContainer.setStyles({top: top + center.clientHeight, marginLeft: center.style.marginLeft, visibility: "hidden", display: ""});
				fx.image.start(1);
				break;
			case 5:
				if (prevImage >= 0) prevLink.style.display = "";
				if (nextImage >= 0) nextLink.style.display = "";
				if (options.animateCaption) {
					fx.bottom.set(-bottom.offsetHeight).start(0);
				}
				bottomContainer.style.visibility = "";
				state = 1;
		}
	}

	function close() {
		if (state) {
			state = 0;
			preload.onload = $empty;
			image.set('html', '');
			for (var f in fx) fx[f].cancel();
			$$(center, bottomContainer).setStyle("display", "none");
			fx.overlay.chain(setup).start(0);
		}
		return false;
	}
})();

// AUTOLOAD CODE BLOCK
Mediabox.scanPage = function() {
	var links = $$("a").filter(function(el) {
		return el.rel && el.rel.test(/^lightbox/i);
	});
	$$(links).mediabox({/* Put custom options here */}, null, function(el) {
		var rel0 = this.rel.replace(/[[]|]/gi," ");
		var relsize = rel0.split(" ");
		return (this == el) || ((this.rel.length > 8) && el.rel.match(relsize[1]));
	});
};
Fx.Scroll = new Class({

	Extends: Fx,

	options: {
		offset: {x: 0, y: 0},
		wheelStops: true
	},

	initialize: function(element, options){
		this.element = this.subject = $(element);
		this.parent(options);
		var cancel = this.cancel.bind(this, false);

		if ($type(this.element) != 'element') this.element = $(this.element.getDocument().body);

		var stopper = this.element;

		if (this.options.wheelStops){
			this.addEvent('start', function(){
				stopper.addEvent('mousewheel', cancel);
			}, true);
			this.addEvent('complete', function(){
				stopper.removeEvent('mousewheel', cancel);
			}, true);
		}
	},

	set: function(){
		var now = Array.flatten(arguments);
		this.element.scrollTo(now[0], now[1]);
	},

	compute: function(from, to, delta){
		return [0, 1].map(function(i){
			return Fx.compute(from[i], to[i], delta);
		});
	},

	start: function(x, y){
		if (!this.check(x, y)) return this;
		var offsetSize = this.element.getSize(), scrollSize = this.element.getScrollSize();
		var scroll = this.element.getScroll(), values = {x: x, y: y};
		for (var z in values){
			var max = scrollSize[z] - offsetSize[z];
			if ($chk(values[z])) values[z] = ($type(values[z]) == 'number') ? values[z].limit(0, max) : max;
			else values[z] = scroll[z];
			values[z] += this.options.offset[z];
		}
		return this.parent([scroll.x, scroll.y], [values.x, values.y]);
	},

	toTop: function(){
		return this.start(false, 0);
	},

	toLeft: function(){
		return this.start(0, false);
	},

	toRight: function(){
		return this.start('right', false);
	},

	toBottom: function(){
		return this.start(false, 'bottom');
	},

	toElement: function(el){
		var position = $(el).getPosition(this.element);
		return this.start(position.x, position.y);
	}

});


/*
Script: Fx.Slide.js
	Effect to slide an element in and out of view.

	License:
		MIT-style license.

	Authors:
		Valerio Proietti
*/

Fx.Slide = new Class({

	Extends: Fx,

	options: {
		mode: 'vertical'
	},

	initialize: function(element, options){
		this.addEvent('complete', function(){
			this.open = (this.wrapper['offset' + this.layout.capitalize()] != 0);
			if (this.open && Browser.Engine.webkit419) this.element.dispose().inject(this.wrapper);
		}, true);
		this.element = this.subject = $(element);
		this.parent(options);
		var wrapper = this.element.retrieve('wrapper');
		this.wrapper = wrapper || new Element('div', {
			styles: $extend(this.element.getStyles('margin', 'position'), {overflow: 'hidden'})
		}).wraps(this.element);
		this.element.store('wrapper', this.wrapper).setStyle('margin', 0);
		this.now = [];
		this.open = true;
	},

	vertical: function(){
		this.margin = 'margin-top';
		this.layout = 'height';
		this.offset = this.element.offsetHeight;
	},

	horizontal: function(){
		this.margin = 'margin-left';
		this.layout = 'width';
		this.offset = this.element.offsetWidth;
	},

	set: function(now){
		this.element.setStyle(this.margin, now[0]);
		this.wrapper.setStyle(this.layout, now[1]);
		return this;
	},

	compute: function(from, to, delta){
		return [0, 1].map(function(i){
			return Fx.compute(from[i], to[i], delta);
		});
	},

	start: function(how, mode){
		if (!this.check(how, mode)) return this;
		this[mode || this.options.mode]();
		var margin = this.element.getStyle(this.margin).toInt();
		var layout = this.wrapper.getStyle(this.layout).toInt();
		var caseIn = [[margin, layout], [0, this.offset]];
		var caseOut = [[margin, layout], [-this.offset, 0]];
		var start;
		switch (how){
			case 'in': start = caseIn; break;
			case 'out': start = caseOut; break;
			case 'toggle': start = (layout == 0) ? caseIn : caseOut;
		}
		return this.parent(start[0], start[1]);
	},

	slideIn: function(mode){
		return this.start('in', mode);
	},

	slideOut: function(mode){
		return this.start('out', mode);
	},

	hide: function(mode){
		this[mode || this.options.mode]();
		this.open = false;
		return this.set([-this.offset, 0]);
	},

	show: function(mode){
		this[mode || this.options.mode]();
		this.open = true;
		return this.set([0, this.offset]);
	},

	toggle: function(mode){
		return this.start('toggle', mode);
	}

});

Element.Properties.slide = {

	set: function(options){
		var slide = this.retrieve('slide');
		if (slide) slide.cancel();
		return this.eliminate('slide').store('slide:options', $extend({link: 'cancel'}, options));
	},

	get: function(options){
		if (options || !this.retrieve('slide')){
			if (options || !this.retrieve('slide:options')) this.set('slide', options);
			this.store('slide', new Fx.Slide(this, this.retrieve('slide:options')));
		}
		return this.retrieve('slide');
	}

};

Element.implement({

	slide: function(how, mode){
		how = how || 'toggle';
		var slide = this.get('slide'), toggle;
		switch (how){
			case 'hide': slide.hide(mode); break;
			case 'show': slide.show(mode); break;
			case 'toggle':
				var flag = this.retrieve('slide:flag', slide.open);
				slide[flag ? 'slideOut' : 'slideIn'](mode);
				this.store('slide:flag', !flag);
				toggle = true;
			break;
			default: slide.start(how, mode);
		}
		if (!toggle) this.eliminate('slide:flag');
		return this;
	}

});
Element.implement({

	measure: function(fn){
		var vis = function(el) {
			return !!(!el || el.offsetHeight || el.offsetWidth);
		};
		if (vis(this)) return fn.apply(this);
		var parent = this.getParent(),
			toMeasure = [], 
			restorers = [];
		while (!vis(parent) && parent != document.body) {
			toMeasure.push(parent.expose());
			parent = parent.getParent();
		}
		var restore = this.expose();
		var result = fn.apply(this);
		restore();
		toMeasure.each(function(restore){
			restore();
		});
		return result;
	},

	expose: function(){
		if (this.getStyle('display') != 'none') return $empty;
		var before = this.getStyles('display', 'position', 'visibility');
		return this.setStyles({
			display: 'block',
			position: 'absolute',
			visibility: 'hidden'
		}).setStyles.pass(before, this);
	},

	getDimensions: function(options){
		options = $merge({computeSize: false},options);
		var dim = {};
		var getSize = function(el, options){
			return (options.computeSize)?el.getComputedSize(options):el.getSize();
		};
		if (this.getStyle('display') == 'none'){
			dim = this.measure(function(){
				return getSize(this, options);
			});
		} else {
			try { //safari sometimes crashes here, so catch it
				dim = getSize(this, options);
			}catch(e){}
		}
		return $chk(dim.x) ? $extend(dim, {width: dim.x, height: dim.y}) : $extend(dim, {x: dim.width, y: dim.height});
	},

	getComputedSize: function(options){
		options = $merge({
			styles: ['padding','border'],
			plains: {
				height: ['top','bottom'],
				width: ['left','right']
			},
			mode: 'both'
		}, options);
		var size = {width: 0,height: 0};
		switch (options.mode){
			case 'vertical':
				delete size.width;
				delete options.plains.width;
				break;
			case 'horizontal':
				delete size.height;
				delete options.plains.height;
				break;
		}
		var getStyles = [];
		//this function might be useful in other places; perhaps it should be outside this function?
		$each(options.plains, function(plain, key){
			plain.each(function(edge){
				options.styles.each(function(style){
					getStyles.push((style == 'border') ? style + '-' + edge + '-' + 'width' : style + '-' + edge);
				});
			});
		});
		var styles = {};
		getStyles.each(function(style){ styles[style] = this.getComputedStyle(style); }, this);
		var subtracted = [];
		$each(options.plains, function(plain, key){ //keys: width, height, plains: ['left', 'right'], ['top','bottom']
			var capitalized = key.capitalize();
			size['total' + capitalized] = 0;
			size['computed' + capitalized] = 0;
			plain.each(function(edge){ //top, left, right, bottom
				size['computed' + edge.capitalize()] = 0;
				getStyles.each(function(style, i){ //padding, border, etc.
					//'padding-left'.test('left') size['totalWidth'] = size['width'] + [padding-left]
					if (style.test(edge)){
						styles[style] = styles[style].toInt() || 0; //styles['padding-left'] = 5;
						size['total' + capitalized] = size['total' + capitalized] + styles[style];
						size['computed' + edge.capitalize()] = size['computed' + edge.capitalize()] + styles[style];
					}
					//if width != width (so, padding-left, for instance), then subtract that from the total
					if (style.test(edge) && key != style &&
						(style.test('border') || style.test('padding')) && !subtracted.contains(style)){
						subtracted.push(style);
						size['computed' + capitalized] = size['computed' + capitalized]-styles[style];
					}
				});
			});
		});

		['Width', 'Height'].each(function(value){
			var lower = value.toLowerCase();
			if(!$chk(size[lower])) return;

			size[lower] = size[lower] + this['offset' + value] + size['computed' + value];
			size['total' + value] = size[lower] + size['total' + value];
			delete size['computed' + value];
		}, this);

		return $extend(styles, size);
	}

});

/*
Script: Element.Shortcuts.js
	Extends the Element native object to include some shortcut methods.

	License:
		MIT-style license.

	Authors:
		Aaron Newton

*/

Element.implement({

	isDisplayed: function(){
		return this.getStyle('display') != 'none';
	},

	toggle: function(){
		return this[this.isDisplayed() ? 'hide' : 'show']();
	},

	hide: function(){
		var d;
		try {
			//IE fails here if the element is not in the dom
			if ('none' != this.getStyle('display')) d = this.getStyle('display');
		} catch(e){}

		return this.store('originalDisplay', d || 'block').setStyle('display', 'none');
	},

	show: function(display){
		return this.setStyle('display', display || this.retrieve('originalDisplay') || 'block');
	},

	swapClass: function(remove, add){
		return this.removeClass(remove).addClass(add);
	}

});


/*
Script: Fx.Reveal.js
	Defines Fx.Reveal, a class that shows and hides elements with a transition.

	License:
		MIT-style license.

	Authors:
		Aaron Newton

*/

Fx.Reveal = new Class({

	Extends: Fx.Morph,

	options: {/*	  
		onShow: $empty(thisElemeng),
		onHide: $empty(thisElemeng),
		onComplete: $empty(thisElemeng),
		heightOverride: null,
		widthOverride: null, */
		styles: ['padding', 'border', 'margin'],
		transitionOpacity: !Browser.Engine.trident4,
		mode: 'vertical',
		display: 'block',
		hideInputs: Browser.Engine.trident ? 'select, input, textarea, object, embed' : false
	},

	dissolve: function(){
		try {
			if (!this.hiding && !this.showing){
				if (this.element.getStyle('display') != 'none'){
					this.hiding = true;
					this.showing = false;
					this.hidden = true;
					var startStyles = this.element.getComputedSize({
						styles: this.options.styles,
						mode: this.options.mode
					});
					var setToAuto = (this.element.style.height === ''||this.element.style.height == 'auto');
					this.element.setStyle('display', 'block');
					if (this.options.transitionOpacity) startStyles.opacity = 1;
					var zero = {};
					$each(startStyles, function(style, name){
						zero[name] = [style, 0];
					}, this);
					var overflowBefore = this.element.getStyle('overflow');
					this.element.setStyle('overflow', 'hidden');
					var hideThese = this.options.hideInputs ? this.element.getElements(this.options.hideInputs) : null;
					this.$chain.unshift(function(){
						if (this.hidden){
							this.hiding = false;
							$each(startStyles, function(style, name){
								startStyles[name] = style;
							}, this);
							this.element.setStyles($merge({display: 'none', overflow: overflowBefore}, startStyles));
							if (setToAuto){
								if (['vertical', 'both'].contains(this.options.mode)) this.element.style.height = '';
								if (['width', 'both'].contains(this.options.mode)) this.element.style.width = '';
							}
							if (hideThese) hideThese.setStyle('visibility', 'visible');
						}
						this.fireEvent('hide', this.element);
						this.callChain();
					}.bind(this));
					if (hideThese) hideThese.setStyle('visibility', 'hidden');
					this.start(zero);
				} else {
					this.callChain.delay(10, this);
					this.fireEvent('complete', this.element);
					this.fireEvent('hide', this.element);
				}
			} else if (this.options.link == 'chain'){
				this.chain(this.dissolve.bind(this));
			} else if (this.options.link == 'cancel' && !this.hiding){
				this.cancel();
				this.dissolve();
			}
		} catch(e){
			this.hiding = false;
			this.element.setStyle('display', 'none');
			this.callChain.delay(10, this);
			this.fireEvent('complete', this.element);
			this.fireEvent('hide', this.element);
		}
		return this;
	},

	reveal: function(){
		try {
			if (!this.showing && !this.hiding){
				if (this.element.getStyle('display') == 'none' ||
					 this.element.getStyle('visiblity') == 'hidden' ||
					 this.element.getStyle('opacity') == 0){
					this.showing = true;
					this.hiding = false;
					this.hidden = false;
					var setToAuto, startStyles;
					//toggle display, but hide it
					this.element.measure(function(){
						setToAuto = (this.element.style.height === '' || this.element.style.height == 'auto');
						//create the styles for the opened/visible state
						startStyles = this.element.getComputedSize({
							styles: this.options.styles,
							mode: this.options.mode
						});
					}.bind(this));
					$each(startStyles, function(style, name){
						startStyles[name] = style;
					});
					//if we're overridding height/width
					if ($chk(this.options.heightOverride)) startStyles.height = this.options.heightOverride.toInt();
					if ($chk(this.options.widthOverride)) startStyles.width = this.options.widthOverride.toInt();
					if (this.options.transitionOpacity) {
						this.element.setStyle('opacity', 0);
						startStyles.opacity = 1;
					}
					//create the zero state for the beginning of the transition
					var zero = {
						height: 0,
						display: this.options.display
					};
					$each(startStyles, function(style, name){ zero[name] = 0; });
					var overflowBefore = this.element.getStyle('overflow');
					//set to zero
					this.element.setStyles($merge(zero, {overflow: 'hidden'}));
					//hide inputs
					var hideThese = this.options.hideInputs ? this.element.getElements(this.options.hideInputs) : null;
					if (hideThese) hideThese.setStyle('visibility', 'hidden');
					//start the effect
					this.start(startStyles);
					this.$chain.unshift(function(){
						this.element.setStyle('overflow', overflowBefore);
						if (!this.options.heightOverride && setToAuto){
							if (['vertical', 'both'].contains(this.options.mode)) this.element.style.height = '';
							if (['width', 'both'].contains(this.options.mode)) this.element.style.width = '';
						}
						if (!this.hidden) this.showing = false;
						if (hideThese) hideThese.setStyle('visibility', 'visible');
						this.callChain();
						this.fireEvent('show', this.element);
					}.bind(this));
				} else {
					this.callChain();
					this.fireEvent('complete', this.element);
					this.fireEvent('show', this.element);
				}
			} else if (this.options.link == 'chain'){
				this.chain(this.reveal.bind(this));
			} else if (this.options.link == 'cancel' && !this.showing){
				this.cancel();
				this.reveal();
			}
		} catch(e){
			this.element.setStyles({
				display: this.options.display,
				visiblity: 'visible',
				opacity: 1
			});
			this.showing = false;
			this.callChain.delay(10, this);
			this.fireEvent('complete', this.element);
			this.fireEvent('show', this.element);
		}
		return this;
	},

	toggle: function(){
		if (this.element.getStyle('display') == 'none' ||
			 this.element.getStyle('visiblity') == 'hidden' ||
			 this.element.getStyle('opacity') == 0){
			this.reveal();
		} else {
			this.dissolve();
		}
		return this;
	}

});

Element.Properties.reveal = {

	set: function(options){
		var reveal = this.retrieve('reveal');
		if (reveal) reveal.cancel();
		return this.eliminate('reveal').store('reveal:options', $extend({link: 'cancel'}, options));
	},

	get: function(options){
		if (options || !this.retrieve('reveal')){
			if (options || !this.retrieve('reveal:options')) this.set('reveal', options);
			this.store('reveal', new Fx.Reveal(this, this.retrieve('reveal:options')));
		}
		return this.retrieve('reveal');
	}

};

Element.Properties.dissolve = Element.Properties.reveal;

Element.implement({

	reveal: function(options){
		this.get('reveal', options).reveal();
		return this;
	},

	dissolve: function(options){
		this.get('reveal', options).dissolve();
		return this;
	},

	nix: function(){
		var params = Array.link(arguments, {destroy: Boolean.type, options: Object.type});
		this.get('reveal', params.options).dissolve().chain(function(){
			this[params.destroy ? 'destroy' : 'dispose']();
		}.bind(this));
		return this;
	},

	wink: function(){
		var params = Array.link(arguments, {duration: Number.type, options: Object.type});
		var reveal = this.get('reveal', params.options);
		reveal.reveal().chain(function(){
			(function(){
				reveal.dissolve();
			}).delay(params.duration || 2000);
		});
	}


});

var SL_Slider = new Class({

	//implements
	Implements: [Options],	
	
	//variables setup
	numNav: new Array(),		//will store number nav elements (if used)
	timer: null,					//periodical function variable holder
	isSliding: 1,					//flag for animation/click prevention
	direction: 1,					//flag for direction (forward/reverse)
	
	//options
	options: {
	slideTimer: 8000,  			//Time between slides (1 second = 1000), a.k.a. the interval duration
	isPaused: false,				//flag for paused state
	transitionTime: 800, 		//Transition time (1 second = 1000)
	transitionType: 'cubic:out',	//Transition type
	container: null,					//container element
	items:  null, 					//Array of elements for sliding
	itemNum: 0,						//Current item number
	numNavActive: false,			//Whether or not the number navigation will be used
	numNavHolder: null,			//Element that holds the number navigation
	playBtn: null,					//Play (and pause) button element
	prevBtn: null,					//Previous button element
	nextBtn: null					//Next button element
	},

	//initialization
	initialize: function(options) {
		var self = this;
		
		//set options
		this.setOptions(options);
		
		//remove any scrollbar(s) on the container
		self.options.container.setStyle('overflow', "hidden");  
		
		//if there is a play/pause button, set up functionality for it
		if(self.options.playBtn != null) {
			//self.pauseIt();  
			self.options.playBtn.set('text', 'pause');
			
			self.options.playBtn.addEvents({
				'click': function() {
					self.pauseIt();
				},				
				'mouseenter' : function() {
					this.setStyle('cursor', 'pointer');
				},
				'mouseleave' : function() {
					
				}
			});
		}
		
		//if there is a prev & next button, set up functionality for them
		if(self.options.prevBtn && self.options.nextBtn){
			
			self.options.prevBtn.addEvents({ 
				'click' : function() {
					if(self.isSliding == 0){
						if(self.options.isPaused == false){
							$clear(self.timer);
							self.timer = self.slideIt.periodical(self.options.slideTimer, self, null);
						}
						self.direction = 0;
						self.slideIt();
					}
				},
				'mouseenter' : function() {
					this.setStyle('cursor', 'pointer');
				},
				'mouseleave' : function() {
				
				}
			});	
			
			this.options.nextBtn.addEvents({ 
				'click' : function() {
					if(self.isSliding == 0){
						if(self.options.isPaused == false){
							$clear(self.timer);
							self.timer = self.slideIt.periodical(self.options.slideTimer, self, null);
						}
						self.direction = 1;
						self.slideIt();
					}
				},
				'mouseenter' : function() {
					this.setStyle('cursor', 'pointer');
				},
				'mouseleave' : function() {
					
				}
			});	
		}
		
		//setup items (a.k.a. slides) from list
		self.options.items.each(function(el, i){
			  
			  //f.y.i.  el = the element, i = the index
			  el.setStyle('position', "absolute");
			  var itemH = el.getSize().y;
			  var itemW = el.getSize().x;
			 
			 //el.setStyle('top', (-1 * itemH));  //would use this if doing vertical transition
			  el.setStyle('left', (-1 * itemW));
			  
			// -- Number nav setup
			if(self.options.numNavActive == true){
				//create numbered navigation boxes, and insert into the 'num_nav' ul)
				var numItem = new Element('li', {id: 'num'+i});
				var numLink = new Element('a', {
					'class': 'numbtn',
					'html': (i+1)
				});
				numItem.adopt(numLink);
				self.options.numNavHolder.adopt(numItem);
				self.numNav.push(numLink);
				numLink.set('morph', {duration: 100, transition: Fx.Transitions.linear, link: 'ignore'});
				
				numLink.addEvents({
					'click' : function(){
						self.numPress(i);
					},
					'mouseenter' : function() {
						this.setStyle('cursor', 'pointer');
					}
				});
				
				//set initial number to active state
				if(i == self.options.itemNum){
					var initNum = self.numNav[i];
					initNum.addClass('active');
				}
			}
			//end if num nav 'active'
		
		 });
	
	},

	//startup method
	start: function() {
		
		var self = this;
		
		self.slideIt(self.options.itemNum);  //initialize first slide
		
		if(self.options.isPaused == false){
			self.timer = self.slideIt.periodical(self.options.slideTimer, self, null);
			if(self.options.playBtn) self.options.playBtn.set('text', 'pause');
		}
		else{
			//self.pauseIt();
			if(self.options.playBtn) self.options.playBtn.set('text', 'play');
		}
		
	},
	
	
	slideIt: function(passedID) {
		
		var self = this;
		
		//get item to slide out
		var curItem = self.options.items[self.options.itemNum]; 
		if(self.options.numNavActive == true){
			var curNumItem =  self.numNav[self.options.itemNum];
		}
		
		//check for passedID presence
		if(passedID != null) {
			if(self.options.itemNum != passedID){
				if(self.options.itemNum > passedID) { 
					self.direction = 0; 
				} else { 
					self.direction = 1;
				}
				self.options.itemNum = passedID;
			}
		}
		else{
			self.changeIndex();	
		}
		
		
		//now get item to slide in using new index
		var newItem = self.options.items[self.options.itemNum];
		if(self.direction == 0){
			var curX = self.options.container.getSize().x;
			var newX = (-1 * newItem.getSize().x);
		}
		else{
			var curX = (-1 * self.options.container.getSize().x);	
			var newX = newItem.getSize().x;
		}
		
		
		//add/remove active number's highlight
		if(self.options.numNavActive == true){
			var newNumItem =  self.numNav[self.options.itemNum];
			newNumItem.addClass('active');
		}
		
		
		//set up our animation stylings
		var item_in = new Fx.Morph(newItem, {
		     duration: self.options.transitionTime, 
		     transition: self.options.transitionType,
		     link: 'ignore',
		     
		     onStart: function(){
				self.isSliding = 1;  //prevents extra clicks
			},
		     
		     onComplete: function(){
				self.isSliding = 0;  //prevents extra clicks
			}
		     
		});
		
		
		item_in.start({
			//'opacity':[0,1],
			'left' : [newX, 0]
		});
		
		if(curItem != newItem){
			var item_out = new Fx.Morph(curItem, {
				     duration: self.options.transitionTime, 
				     transition: self.options.transitionType,
				     link: 'ignore'
			});
			
			if(self.options.numNavActive == true){
				curNumItem.removeClass('active');
			}
			
			item_out.start({
				//'opacity':[0],
				'left' : [(curX)]
			});
		}
	
	},
	
	
	//--------------------------------------------------------------------------------------------------------
	//supplementary functions  (mini-functions)
	//--------------------------------------------------------------------------------------------------------
	pauseIt: function () {
		
		var self = this;
		
		//only move if not currently moving
		if(self.isSliding == 0){
			if(self.options.isPaused == false){
				self.options.isPaused = true;
				$clear(self.timer);
				self.options.playBtn.set('text', 'play');				
			}
			else{
				self.options.isPaused = false;
				self.slideIt();
				self.timer = self.slideIt.periodical(self.options.slideTimer, this, null); 
				self.options.playBtn.set('text', 'pause');
			}
			
		} //end if not sliding
		
	},
	
	changeIndex: function() {
		var self = this; 
		
		var numItems = self.options.items.length;  //get number of slider items
		
		//change index based on value of 'direction' parameter
		if(self.direction == 1){
			if(self.options.itemNum < (numItems - 1)){
				self.options.itemNum++; 
			}
			else{
				self.options.itemNum = 0;
			}
		}
		else if(self.direction == 0){
			if(self.options.itemNum > 0){
				self.options.itemNum--; 
			}
			else{
				self.options.itemNum = (numItems - 1);
			}
		}	
		
	},
	
	numPress: function (theIndex) {
		var self = this;
		
		if((self.isSliding == 0) && (self.options.itemNum != theIndex)){
			if(self.options.isPaused == false){
				$clear(self.timer);
				self.timer = self.slideIt.periodical(self.options.slideTimer, this, null);
			}
			self.slideIt(theIndex);
		}
	}
	//------------------------  end supp. functions -----------------------------------------//

});
/*
 * DatePicker
 * @author Rick Hopkins
 * @modified by Micah Nolte and Martin Vasina
 * @modified again by Arian Stolwijk (version 0.4)
 * @version 0.4
 * @classDescription A date picker object. Created with the help of MooTools v1.2.1
 * MIT-style License.

-- start it up by doing this in your domready:

$$('input.DatePicker').each( function(el){
	new DatePicker(el);
});

 */

var DatePicker = new Class({

	Implements: [Options],
	
	options: {
		dayChars: 2,
		dayNames: ['Zondag', 'Maandag', 'Dinsdag', 'Woensdag', 'Donderdag', 'Vrijdag', 'Zaterdag'],
		daysInMonth: [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31],
		format: 'dd-mm-yyyy',
		monthNames: ['januari', 'februari', 'maart', 'april', 'mei', 'juni', 'juli', 'augustus', 'september', 'oktober', 'november', 'december'],
		startDay: 7,
		yearOrder: 'asc',
		yearRange: 2,
		yearStart: (new Date().getFullYear())
	},

	/* set and create the date picker text box */
	initialize: function(dp,options){
		this.setOptions(options);

		// Finds the entered date, or uses the current date
		if(dp.get('value') != '') {
			this.then = new Date(dp.value);
			this.today = new Date();
		} else {
			this.then = this.today = new Date();
		}
		// Set beginning time and today, remember the original
		this.oldYear = this.year = this.then.getFullYear();
		this.oldMonth = this.month = this.then.getMonth();
		this.oldDay = this.then.getDate();
		this.nowYear = this.today.getFullYear();
		this.nowMonth = this.today.getMonth();
		this.nowDay = this.today.getDate();

		this.options.monthNames = (this.options.monthNames && this.options.monthNames.length == 12 ? this.options.monthNames : this.options.monthNames) || this.options.monthNames; 
		this.options.daysInMonth = (this.options.daysInMonth && this.options.daysInMonth.length == 12 ? this.options.daysInMonth : this.options.daysInMonth) || this.options.daysInMonth; 
		this.options.dayNames = (this.options.dayNames && this.options.dayNames.length == 7 ? this.options.dayNames : this.options.dayNames) || this.options.dayNames;

		this.dp = dp;
		this.dp.set('id',dp.get('name'));

		this.container = this.calendar = this.active = false;
		this.dp.addEvents({
			'click': function(){this.create()}.bind(this),
			'focus': function(){this.create()}.bind(this)
		});
	},

	/* create the calendar */
	create: function(fade){
		if (this.calendar) return false;

		fade = ($type(fade) == 'boolean') ? fade : true;
		// IE does not want to fade :S
		if(Browser.Engine.trident && Browser.Engine.version <= 5){
			fade = false;
		}

		// Hide select boxes while calendar is up
		if(Browser.Engine.trident && Browser.Engine.version <= 4){
			$$('select').addClass('dp_hide');
		}
		
		/* create the outer container */
		this.container = new Element('div', {'class':'dp_container'}).injectBefore(this.dp);

		if (fade) {
			this.container.fade('hide');
		}
				
		/* create the calendar */
		this.calendar = new Element('div', {'class':'dp_cal'}).injectInside(this.container);
		
		/* create the date object */
		var date = new Date();
		
		/* create the date object */
		if (this.month && this.year) {
			date.setFullYear(this.year, this.month, 1);
		} else {
			this.month = date.getMonth();
			this.year = date.getFullYear();
			date.setDate(1);
		}
		this.year % 4 == 0 ? this.options.daysInMonth[1] = 29 : this.options.daysInMonth[1] = 28;
		
		/* set the day to first of the month */
		var firstDay = (1-(7+date.getDay()-this.options.startDay)%7);
		
		/* create the month select box */
		monthSel = new Element('select', {'id':this.dp.get('id') + '_monthSelect'});
		this.options.monthNames.each(function(item,index){
			monthSel.options[index] = new Element('option', {value: index});
			monthSel.options[index].set('text',item);
			if (this.month == index) monthSel.options[index].set('selected','selected');
		}.bind(this));
		
		/* create the year select box */
		yearSel = new Element('select', {'id':this.dp.get('id') + '_yearSelect'});
		var years = new Array();
		if (this.options.yearOrder == 'desc'){
			for (var y = this.options.yearStart; y > (this.options.yearStart - this.options.yearRange - 1); y--){
				years.include(y);
			}
		} else {
			for (var y = this.options.yearStart; y < (this.options.yearStart + this.options.yearRange + 1); y++){
				years.include(y);
			}
		}

		years.each(function(y,i){
			yearSel.options[i] = new Element('option',{value: y});
			yearSel.options[i].set('text',y);
			if (this.year == y) yearSel.options[i].set('selected','selected');			
		}.bind(this));
		
		/* start creating calendar */
		calTable = new Element('table');
		calTableThead = new Element('thead');
		calSelRow = new Element('tr');
		calSelCell = new Element('th', {'colspan':'7'});
		monthSel.injectInside(calSelCell);
		yearSel.injectInside(calSelCell);
		calSelCell.injectInside(calSelRow);
		calSelRow.injectInside(calTableThead);
		calTableTbody = new Element('tbody');
		
		/* create day names */
		calDayNameRow = new Element('tr');
		for (var i = 0; i < this.options.dayNames.length; i++) {
			calDayNameCell = new Element('th');
			calDayNameCell.appendText(this.options.dayNames[(this.options.startDay+i)%7].substr(0, this.options.dayChars)); 
			calDayNameCell.injectInside(calDayNameRow);
		}
		calDayNameRow.injectInside(calTableTbody);
		
		/* create the day cells */
		while (firstDay <= this.options.daysInMonth[this.month]){
			calDayRow = new Element('tr');
			for (i = 0; i < 7; i++){
				if ((firstDay <= this.options.daysInMonth[this.month]) && (firstDay > 0)){
					calDayCell = new Element('td', {'class':this.dp.get('id') + '_calDay', 'axis':this.year + '|' + (parseInt(this.month) + 1) + '|' + firstDay}).appendText(firstDay).injectInside(calDayRow);
				} else {
					calDayCell = new Element('td', {'class':'dp_empty'}).appendText(' ').injectInside(calDayRow);
				}
				// Show the previous day
				if ( (firstDay == this.oldDay) && (this.month == this.oldMonth ) && (this.year == this.oldYear) ) {
					calDayCell.addClass('dp_selected');
				}
				// Show today
				if ( (firstDay == this.nowDay) && (this.month == this.nowMonth ) && (this.year == this.nowYear) ) {
					calDayCell.addClass('dp_today');
				}
				firstDay++;
			}
			calDayRow.injectInside(calTableTbody);
		}
		
		/* table into the calendar div */
		calTableThead.injectInside(calTable);
		calTableTbody.injectInside(calTable);
		calTable.injectInside(this.calendar);

		if (fade) {
			this.container.fade('in');
		}
		
		/* set the onmouseover events for all calendar days */
		$$('td.' + this.dp.get('id') + '_calDay').each(function(el){
			el.addEvents({
				'mouseover': function(){
					el.addClass('dp_roll');
				},
				'mouseout': function(){
					el.removeClass('dp_roll');
				},
				'click': function(){
					ds = el.axis.split('|');
					this.dp.value = this.formatValue(ds[0], ds[1], ds[2]);
					this.remove();				
				}.bind(this)			
			});
		}.bind(this));
		
		/* set the onchange event for the month & year select boxes */
		[monthSel,yearSel].each(function(elmt){
			elmt.addEvents({
				'focus': function(){ 
					this.active = true; 
				}.bind(this),
				'change': function(){
					this.month = monthSel.value;
					this.year = yearSel.value;
					this.remove(false);
					this.create(false);
					this.active = false;
					this.dp.focus();
				}.bind(this)
			});
		}.bind(this));

		this.dp.addEvent('blur',function(){
			(function(){
				if (!this.active) {
					this.remove();
				}				
			}.bind(this)).delay(500);
		}.bind(this))
	},
	
	/* Format the returning date value according to the selected formation */
	formatValue: function(year, month, day){
		/* setup the date string variable */
		var dateStr = '';
		
		/* check the length of day */
		if (day < 10) day = '0' + day;
		if (month < 10) month = '0' + month;
		
		/* check the format & replace parts // thanks O'Rey */
		dateStr = this.options.format.replace( /dd/i, day ).replace( /mm/i, month ).replace( /yyyy/i, year );
		this.month = this.oldMonth = '' + (month - 1) + '';
		this.year = this.oldYear = year;
		this.oldDay = day;
		
		/* return the date string value */
		return dateStr;
	},
	
	/* Remove the calendar from the page */
	remove: function(fade){
		fade = ($type(fade) == 'boolean') ? fade : true;
		if(Browser.Engine.trident && Browser.Engine.version <= 5){
			fade = false;
		}
		if ($type(this.container) == 'element') {
			if (fade != false) {
				this.container.fade('out');
			}else{
				this.container.dispose();
			}
		}
		this.active = this.container = this.calendar = false;
		$$('select.dp_hide').removeClass('dp_hide');
	}
});

Element.implement({
	DatePicker: function (options){
		new DatePicker(this,options);
		return this;
	}
});
