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

		submit : true,						//false : just validate the form and do nothing else. Use onValidateSuccess event to execute some code
		submitAction: false,				//Action page used to submit the form data to.
		submitMethod: false,				//Method used to submit the form, valid options : 'post' or 'get'

		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
		onAjaxComplete : $empty,			//Function to fire when the Request is complete, before and regardless of Success or Failure
		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

		onSubmit		  : $empty,			//Function to fire when user submit the form
		onValidateSuccess : $empty,			//Function to fire when validation pass
		onValidateFailure : $empty,			//Function to fire when validation fails

		display : {
			showErrors : 0,
			titlesInsteadNames : 0,
			errorsLocation : 1,
			indicateErrors : 1,
			indicateErrorsInit : 0,
			keepFocusOnError : 0,
			checkValueIfEmpty : 1,
			addClassErrorToField : 0,
			removeClassErrorOnTipClosure : 0,
			fixPngForIe : 1,
			replaceTipsEffect : 1,
			flashTips : 0,
			closeTipsButton : 1,
			tipsPosition : "right",
			tipsOffsetX : -45,
			tipsOffsetY : 0,
			listErrorsAtTop : false,
			scrollToFirst : true,
			fadeDuration : 300
		},

		alerts : {
			required : "This field is required.",
			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 : "Please enter a valid email.",
			image : 'This field should only contain image types',
			phone : "Please enter a valid phone.",
			phone_inter : "Please enter a valid international phone number.",
			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",
			words_min : "This field must concain at least %0 words, currently: %1 words",
			words_range : "This field must contain %0-%1 words, currently: %2 words",
			words_max : "This field must contain at max %0 words, currently: %1 words",
			checkbox : "Please check the box",
			checkboxes_group : 'Please check at least %0 box(es)',
			radios : "Please select a radio",
			select : "Please choose a value",
			select_multiple : "Please choose at least one value"
		},

		regexp : {
			required : /[^.*]/,
			alpha : /^[a-z ._-]+$/i,
			alphanum : /^[a-z0-9 ._-]+$/i,
			digit : /^[-+]?[0-9]+$/,
			nodigit : /^[^0-9]+$/,
			number : /^[-+]?\d*\.?\d+$/,
			email : /^([a-zA-Z0-9_\.\-\+%])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/,
			image : /.(jpg|jpeg|png|gif|bmp)$/i,
			phone : /^\+{0,1}[0-9 \(\)\.\-]+$/, // alternate regex : /^[\d\s ().-]+$/,/^((\+\d{1,3}(-| )?\(?\d\)?(-| )?\d{1,5})|(\(?\d{2,6}\)?))(-| )?(\d{3,4})(-| )?(\d{4})(( x| ext)\d{1,5}){0,1}$/
			phone_inter : /^\+{0,1}[0-9 \(\)\.\-]+$/,
			url : /^(http|https|ftp)\:\/\/[a-z0-9\-\.]+\.[a-z]{2,3}(:[a-z0-9]*)?\/?([a-z0-9\-\._\?\,\'\/\\\+&%\$#\=~])*$/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.groups = {};

			//internalization
			if (typeof(formcheckLanguage) != 'undefined') this.options.alerts = $merge(this.options.alerts, formcheckLanguage);

			this.setOptions(options);

			this.form.setProperty('action',
				this.options.submitAction || this.form.getProperty('action') || 'post');

			this.form.setProperty('method',
				this.options.submitMethod || this.form.getProperty('method') || '');

			this.validations = [];
			this.alreadyIndicated = false;
			this.firstError = false;

			$H(this.options.regexp).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));

			if (this.options.display.indicateErrorsInit) {
				this.validations.each(function(el) {
					if(!this.manageError(el,'submit')) this.form.isValid = false;
				}, this);
			}
		}
	},

	register : function(el, position) {
		el.validation = [];
		el.getProperty("class").split(' ').each(function(classX) {
			if (classX.match(/^validate(\[.+\])$/)) {
				var valid = true;

				var validators = eval(classX.match(/^validate(\[.+\])$/)[1]);
				for(var i = 0; i < validators.length; i++) {
					el.validation.push(validators[i]);
					if (validators[i].match(/^confirm:/)) {
						var field = validators[i].match(/.+:(.+)$/)[1];
						if (this.form[field].validation.contains('required')) el.validation.push('required');
					}
					if (validators[i].match(/^target:.+/)) {
						el.target = validators[i].match(/^target:(.+)/)[1];
					}
				}

				//we check if group is already registered
				el.isChild = this.isChildType(el, validators);
				if (el.isChild && el.type == 'radio') {
					this.validations.each(function(registeredEl){
						if (registeredEl.name == el.name) valid = false;
					}, this);
				}
				if (el.isChild && el.type == 'checkbox') {
					this.validations.each(function(registeredEl){
						if (registeredEl.groupID == el.groupID) valid = false;
					}, this);
				}

				if (position && position <= this.validations.length) {
					var newValidations = [];
					this.validations.each(function(valider, i){
						if (position == i+1 && valid) {
							newValidations.push(el);
							this.addListener(el);
						}
						newValidations.push(valider);
					}, this);
					this.validations = newValidations;
				} else if (valid) {
					this.validations.push(el);
					this.addListener(el);
				}
			}
		}, this);
	},

	dispose : function(element) {
		this.validations.erase(element);
	},

	/*
	Function: addListener
		Private method

		Add listener on fields
	*/
	addListener : function(el) {
		el.errors = [];

		if (el.validation[0] == 'submit') {
			el.addEvent('click', function(e){
				if (this.onSubmit(e)) this.form.submit();
			}.bind(this));
			return true;
		}

		if (!el.isChild) {
			el.addEvent('blur', function() {
				if(!this.fxRunning && (el.element || this.options.display.showErrors == 1) && (this.options.display.checkValueIfEmpty || el.value)) this.manageError(el, 'blur');
			}.bind(this));
		//We manage errors on radio
		} else if(el.isChild && el.type == 'radio') {
			//We get all radio from the same group and add a blur option
			var radioGroup = this.form.getElements('input[name="'+ el.getProperty("name") +'"]');
			radioGroup.each(function(radio){
				radio.addEvent('blur', function(){
					if(!this.fxRunning && (el.element || this.options.display.showErrors == 1) && (this.options.display.checkValueIfEmpty || el.value)) this.manageError(el, 'click');
				}.bind(this));
			},this);
		}
	},

	/*
	Function: manageError
		Private method

		Manage display of errors boxes
	*/
	manageError : function(el, method) {
		var isValid = this.validate(el);
		if (method == 'testonly') return isValid;
		if ((!isValid && el.validation.contains('required')) || (el.value && !isValid)) {
			if(this.options.display.listErrorsAtTop && method == 'submit') this.listErrorsAtTop(el);
			if (this.options.display.indicateErrors == 2 ||this.alreadyIndicated == false || el == this.alreadyIndicated) {
				if(!this.firstError) this.firstError = el;
				this.alreadyIndicated = el;

				if (this.options.display.keepFocusOnError && el == this.firstError) {
					(function(){el.focus()}).delay(10);
				}
				this.addError(el);
				return false;
			}
		} else if ((isValid || (!el.validation.contains('required') && !el.value))) {
			this.removeError(el);
			return true;
		}
		return true;
	},

	/*
	Function: validate
		Private method

		Dispatch check to other methods
	*/
	validate : function(el) {
		el.errors = [];
		el.isOk = true;

		//skip validation for disabled fields 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(el.isChild) {
				if (!this.validateGroup(el)) el.isOk = false;
			} else {
				var ruleArgs = [];

				if(rule.match(/target:.+/)) return;
				var ruleMethod = rule;
				if(rule.match(/^.+\[/)) {
					ruleMethod = rule.split('[')[0];
					ruleArgs = eval(rule.match(/^.+(\[.+\])$/)[1].replace(/([A-Z0-9\._-]+)/i, "'$1'"));
				}

				if (this.regex.contains(ruleMethod) && el.get('tag') != "select") {
					if (this.validateRegex(el, ruleMethod, ruleArgs) == false) {
						el.isOk = false;
					}
				}
				if (rule.match(/confirm:.+/)) {
					ruleArgs = [rule.match(/.+:(.+)$/)[1]];
					if (this.validateConfirm(el, ruleArgs) == false) {
						el.isOk = false;
					}
				}
				if (rule.match(/differs:.+/)) {
					ruleArgs = [rule.match(/.+:(.+)$/)[1]];
					if (this.validateDiffers(el, ruleArgs) == false) {
						el.isOk = false;
					}
				}
				if (ruleMethod == 'words') {
					if (this.validateWords(el, ruleArgs) == false) {
						el.isOk = false;
					}
				}
				if (ruleMethod == 'required' && (el.get('tag') == "select" || el.type == "checkbox")) {
					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);
		return ( el.isOk ) ? true : false;
	},

	/*
	Function: simpleValidate
		Private method

		Perform simple check for select fields and checkboxes
	*/
	simpleValidate : function(el) {
		if(el.get('tag') == 'select'){
			if(!el.multiple) {
				if(el.selectedIndex <= 0) {
					el.errors.push(this.options.alerts.select);
					return false;
				}
			} else {
				var selected = false;
				el.getChildren('option').each(function(el){
					if(el.selected) selected = true;
				});

				if(!selected){
					el.errors.push(this.options.alerts.select_multiple);
					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 (ruleMethod == 'length' && ruleArgs[1]) {
			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 ((ruleMethod == 'digit' || ruleMethod == 'number') && ruleArgs[1]) {
			var valueres, regres = true;
			if (!this.options.regexp[ruleMethod].test(el.value)) {
				el.errors.push(this.options.alerts[ruleMethod]);
				regres = false;
			}
			if (ruleArgs[1] == -1) {
				valueres = ( el.value.toFloat() >= ruleArgs[0].toFloat() );
				msg = this.options.alerts.digitmin.replace("%0",ruleArgs[0]);
			} else {
				valueres = ( el.value.toFloat() >= ruleArgs[0].toFloat() && el.value.toFloat() <= ruleArgs[1].toFloat() );
				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){
			var msg = ( this.options.display.titlesInsteadNames ) ?
				this.options.alerts.confirm.replace("%0",this.form[confirm].getProperty('title')) :
				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){
			var msg = ( this.options.display.titlesInsteadNames ) ?
				this.options.alerts.differs.replace("%0",this.form[differs].getProperty('title')) :
				this.options.alerts.differs.replace("%0",differs);
			el.errors.push(msg);
			return false;
		}
		return true;
	},

	/*
	Function: validateWords
		Private method

		Perform word count validation
	*/
	validateWords: function(el,ruleArgs) {
		var min = ruleArgs[0];
		var max = ruleArgs[1];

		var words = el.value.replace(/[ \t\v\n\r\f\p]/m, ' ').replace(/[,.;:]/g, ' ').clean().split(' ');

		if(max == -1) {
			if(words.length < min) {
				el.errors.push(this.options.alerts.words_min.replace("%0", min).replace("%1", words.length));
				return false;
			}
		} else {
			if(min > 0)	{
				if(words.length < min || words.length > max) {
					el.errors.push(this.options.alerts.words_range.replace("%0", min).replace("%1", max).replace("%2", words.length));
					return false;
				}
			} else {
				if(words.length > max) {
					el.errors.push(this.options.alerts.words_max.replace("%0", max).replace("%1", words.length));
					return false;
				}
			}
		}
		return true;
	},


	/*
	Function: isFormValid
		public method

		Determine if the form is valid

		Return true or false
	*/
    isFormValid: function() {
		this.form.isValid = true;
		this.validations.each(function(el) {
			var validation = this.manageError(el,'testonly');
			if(!validation) this.form.isValid = false;
		}, this);
		return this.form.isValid;
	},

	/*
	Function: isChildType
		Private method

		Determine if the field is a group of radio, of checkboxes or not.
	*/
	isChildType: function(el, validators) {
		var validator;
		if($defined(el.type) && el.type == 'radio') {
			return true;
		} else if(validator = validators.join().match(/group(\[.*\])/)) {
			var group = eval(validator[1]);
			this.groups[group[0]] = this.groups[group[0]] || [];
			this.groups[group[0]][0] = this.groups[group[0]][0] || [];
			this.groups[group[0]][1] = group[1] || this.groups[group[0]][1] || 1;
			this.groups[group[0]][0].push(el);
			el.groupID = group[0];
			return true;
		}
		return false;
	},

	/*
	Function: validateGroup
		Private method

		Perform radios validations
	*/
	validateGroup : function(el) {
		el.errors = [];
		if(el.type == 'radio') {
			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;
			}
		// we have group of checkboxes
		} else if(el.type == 'checkbox') {
			//we get length of checked elements
			var checked = 0;
			this.groups[el.groupID][0].each(function(groupEl){
				if(groupEl.checked) checked++;
			});
			if(checked >= this.groups[el.groupID][1]) {
				return true;
			} else {
				( this.groups[el.groupID][0].length > 1 ) ?
					el.errors.push(this.options.alerts.checkboxes_group.replace('%0', this.groups[el.groupID][1])) :
					el.errors.push(this.options.alerts.checkbox);
				return false;
			}
		// we have unmanaged type
		} else {
			return false;
		}
	},

	/*
	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);
			}
		}
		window.fireEvent('resize');
	},

	/*
	Function: addError
		Private method

		Add error message
	*/
	addError : function(obj) {
		//determine position
		var coord = obj.target ? $(obj.target).getCoordinates() : obj.getCoordinates();

		if(!obj.element && this.options.display.indicateErrors != 0) {
			if (this.options.display.errorsLocation == 1) {
				var pos = (this.options.display.tipsPosition == 'left') ? coord.left : coord.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, 'tip');
					}.bind(this));
				}
				obj.element.setStyle('top', coord.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 && !obj.isChild){
			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(){
				var coord = obj.target ? $(obj.target).getCoordinates() : obj.getCoordinates();
				new Fx.Morph(obj.element, {
					'duration' : this.options.display.fadeDuration
				}).start({
					'left':[obj.element.getStyle('left'), coord.right + this.options.display.tipsOffsetX],
					'top':[obj.element.getStyle('top'), coord.top - obj.element.getCoordinates().height + this.options.display.tipsOffsetY]
				});
			}.bind(this);

		} else {
			obj.event = function(){
				var coord = obj.target ? $(obj.target).getCoordinates() : obj.getCoordinates();
				obj.element.setStyles({
					'left':coord.right + this.options.display.tipsOffsetX,
					'top':coord.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, method) {
		if ((this.options.display.addClassErrorToField && !obj.isChild && this.options.display.removeClassErrorOnTipClosure) || (this.options.display.addClassErrorToField && !obj.isChild && !this.options.display.removeClassErrorOnTipClosure && method != 'tip'))
			obj.removeClass(this.options.fieldErrorClass);

		if (!obj.element) return;
		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);
		}
	},

	/*
	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) {
			var dest; //moved this up to stop redclariations
			//This can changed to a single switch using default:
			if (!this.options.display.indicateErrors || !this.options.display.errorsLocation) {
				dest = obj.getCoordinates().top-30;
			} else {
				switch (this.options.display.errorsLocation){
					case 1 :
						dest = obj.element.getCoordinates().top;
						break;
					case 2 :
						dest = obj.element.getCoordinates().top-30;
						break;
					case 3 :
						dest = obj.getCoordinates().top-30;
						break;
				}
				this.isScrolling = true;
			}
			if (window.getScroll().y != dest) {
				new Fx.Scroll(window, {
					onComplete : function() {
						this.isScrolling = false;
						if (obj.getProperty('type') != 'hidden') 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'}).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
		Reinitialize form before submit check. You can use this also to remove all tips from a form, passing the argument "forced" ( formcheck.reinitialize('forced'); )
	*/
	reinitialize: function(forced) {
		this.validations.each(function(el) {
			if (el.element) {
				el.errors = [];
				el.isOK = true;
				if(this.options.display.flashTips == 1 || forced == 'forced') {
					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() {
		this.fireEvent('ajaxRequest');
		new Request({
			url: this.form.action,
			method: this.form.method,
			data : this.form.toQueryString(),
			evalScripts: this.options.ajaxEvalScripts,
			onFailure: function(instance){
				this.fireEvent('ajaxFailure', instance);
			}.bind(this),
			onComplete: function(instance){
				this.fireEvent('ajaxComplete', instance);
			}.bind(this),
			onSuccess: function(result){
				this.fireEvent('ajaxSuccess', result);
				if(this.options.ajaxResponseDiv) $(this.options.ajaxResponseDiv).set('html',result);
			}.bind(this)
		}).send();
		return false;
	},

	/*
	Function: onSubmit
		Private method

		Perform check on submit action
	*/
	onSubmit: function(event) {
		this.reinitialize();
		this.fireEvent('onSubmit');

		this.validations.each(function(el) {
			var validation = this.manageError(el,'submit');
			if(!validation) this.form.isValid = false;
		}, this);

		if (this.form.isValid) {
			this.fireEvent('validateSuccess');
			return (this.options.submitByAjax)?this.submitByAjax():this.options.submit;
		} else {
			if (this.elementToRemove && this.elementToRemove != this.firstError && this.options.display.indicateErrors == 1) {
				this.removeError(this.elementToRemove);
			}
			this.focusOnError(this.firstError);
			this.fireEvent('validateFailure');
			return false;
		}
	}
});