/**

 * jQuery Validation Plugin 1.8.0

 *

 * http://bassistance.de/jquery-plugins/jquery-plugin-validation/

 * http://docs.jquery.com/Plugins/Validation

 *

 * Copyright (c) 2006 - 2011 Jörn Zaefferer

 *

 * Dual licensed under the MIT and GPL licenses:

 *   http://www.opensource.org/licenses/mit-license.php

 *   http://www.gnu.org/licenses/gpl.html

 */



(function($) {



$.extend($.fn, {

	// http://docs.jquery.com/Plugins/Validation/validate

	validate: function( options ) {



		// if nothing is selected, return nothing; can't chain anyway

		if (!this.length) {

			options && options.debug && window.console && console.warn( "nothing selected, can't validate, returning nothing" );

			return;

		}



		// check if a validator for this form was already created

		var validator = $.data(this[0], 'validator');

		if ( validator ) {

			return validator;

		}



		validator = new $.validator( options, this[0] );

		$.data(this[0], 'validator', validator);



		if ( validator.settings.onsubmit ) {



			// allow suppresing validation by adding a cancel class to the submit button

			this.find("input, button").filter(".cancel").click(function() {

				validator.cancelSubmit = true;

			});



			// when a submitHandler is used, capture the submitting button

			if (validator.settings.submitHandler) {

				this.find("input, button").filter(":submit").click(function() {

					validator.submitButton = this;

				});

			}



			// validate the form on submit

			this.submit( function( event ) {

				if ( validator.settings.debug )

					// prevent form submit to be able to see console output

					event.preventDefault();



				function handle() {

					if ( validator.settings.submitHandler ) {

						if (validator.submitButton) {

							// insert a hidden input as a replacement for the missing submit button

							var hidden = $("<input type='hidden'/>").attr("name", validator.submitButton.name).val(validator.submitButton.value).appendTo(validator.currentForm);

						}

						validator.settings.submitHandler.call( validator, validator.currentForm );

						if (validator.submitButton) {

							// and clean up afterwards; thanks to no-block-scope, hidden can be referenced

							hidden.remove();

						}

						return false;

					}

					return true;

				}



				// prevent submit for invalid forms or custom submit handlers

				if ( validator.cancelSubmit ) {

					validator.cancelSubmit = false;

					return handle();

				}

				if ( validator.form() ) {

					if ( validator.pendingRequest ) {

						validator.formSubmitted = true;

						return false;

					}

					return handle();

				} else {

					validator.focusInvalid();

					return false;

				}

			});

		}



		return validator;

	},

	// http://docs.jquery.com/Plugins/Validation/valid

	valid: function() {

        if ( $(this[0]).is('form')) {

            return this.validate().form();

        } else {

            var valid = true;

            var validator = $(this[0].form).validate();

            this.each(function() {

				valid &= validator.element(this);

            });

            return valid;

        }

    },

	// attributes: space seperated list of attributes to retrieve and remove

	removeAttrs: function(attributes) {

		var result = {},

			$element = this;

		$.each(attributes.split(/\s/), function(index, value) {

			result[value] = $element.attr(value);

			$element.removeAttr(value);

		});

		return result;

	},

	// http://docs.jquery.com/Plugins/Validation/rules

	rules: function(command, argument) {

		var element = this[0];



		if (command) {

			var settings = $.data(element.form, 'validator').settings;

			var staticRules = settings.rules;

			var existingRules = $.validator.staticRules(element);

			switch(command) {

			case "add":

				$.extend(existingRules, $.validator.normalizeRule(argument));

				staticRules[element.name] = existingRules;

				if (argument.messages)

					settings.messages[element.name] = $.extend( settings.messages[element.name], argument.messages );

				break;

			case "remove":

				if (!argument) {

					delete staticRules[element.name];

					return existingRules;

				}

				var filtered = {};

				$.each(argument.split(/\s/), function(index, method) {

					filtered[method] = existingRules[method];

					delete existingRules[method];

				});

				return filtered;

			}

		}



		var data = $.validator.normalizeRules(

		$.extend(

			{},

			$.validator.metadataRules(element),

			$.validator.classRules(element),

			$.validator.attributeRules(element),

			$.validator.staticRules(element)

		), element);



		// make sure required is at front

		if (data.required) {

			var param = data.required;

			delete data.required;

			data = $.extend({required: param}, data);

		}



		return data;

	}

});



// Custom selectors

$.extend($.expr[":"], {

	// http://docs.jquery.com/Plugins/Validation/blank

	blank: function(a) {return !$.trim("" + a.value);},

	// http://docs.jquery.com/Plugins/Validation/filled

	filled: function(a) {return !!$.trim("" + a.value);},

	// http://docs.jquery.com/Plugins/Validation/unchecked

	unchecked: function(a) {return !a.checked;}

});



// constructor for validator

$.validator = function( options, form ) {

	this.settings = $.extend( true, {}, $.validator.defaults, options );

	this.currentForm = form;

	this.init();

};



$.validator.format = function(source, params) {

	if ( arguments.length == 1 )

		return function() {

			var args = $.makeArray(arguments);

			args.unshift(source);

			return $.validator.format.apply( this, args );

		};

	if ( arguments.length > 2 && params.constructor != Array  ) {

		params = $.makeArray(arguments).slice(1);

	}

	if ( params.constructor != Array ) {

		params = [ params ];

	}

	$.each(params, function(i, n) {

		source = source.replace(new RegExp("\\{" + i + "\\}", "g"), n);

	});

	return source;

};



$.extend($.validator, {



	defaults: {

		messages: {},

		groups: {},

		rules: {},

		errorClass: "error",

		validClass: "valid",

		errorElement: "label",

		focusInvalid: true,

		errorContainer: $( [] ),

		errorLabelContainer: $( [] ),

		onsubmit: true,

		ignore: [],

		ignoreTitle: false,

		onfocusin: function(element) {

			this.lastActive = element;



			// hide error label and remove error class on focus if enabled

			if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {

				this.settings.unhighlight && this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );

				this.addWrapper(this.errorsFor(element)).hide();

			}

		},

		onfocusout: function(element) {

			if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {

				this.element(element);

			}

		},

		onkeyup: function(element) {

			if ( element.name in this.submitted || element == this.lastElement ) {

				this.element(element);

			}

		},

		onclick: function(element) {

			// click on selects, radiobuttons and checkboxes

			if ( element.name in this.submitted )

				this.element(element);

			// or option elements, check parent select in that case

			else if (element.parentNode.name in this.submitted)

				this.element(element.parentNode);

		},

		highlight: function( element, errorClass, validClass ) {

			$(element).addClass(errorClass).removeClass(validClass);

		},

		unhighlight: function( element, errorClass, validClass ) {

			$(element).removeClass(errorClass).addClass(validClass);

		}

	},



	// http://docs.jquery.com/Plugins/Validation/Validator/setDefaults

	setDefaults: function(settings) {

		$.extend( $.validator.defaults, settings );

	},



	messages: {

		required: "This field is required.",

		remote: "Please fix this field.",

		email: "Please enter a valid email address.",

		url: "Please enter a valid URL.",

		date: "Please enter a valid date.",

		dateISO: "Please enter a valid date (ISO).",

		number: "Please enter a valid number.",

		digits: "Please enter only digits.",

		creditcard: "Please enter a valid credit card number.",

		equalTo: "Please enter the same value again.",

		accept: "Please enter a value with a valid extension.",

		maxlength: $.validator.format("Please enter no more than {0} characters."),

		minlength: $.validator.format("Please enter at least {0} characters."),

		rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),

		range: $.validator.format("Please enter a value between {0} and {1}."),

		max: $.validator.format("Please enter a value less than or equal to {0}."),

		min: $.validator.format("Please enter a value greater than or equal to {0}.")

	},



	autoCreateRanges: false,



	prototype: {



		init: function() {

			this.labelContainer = $(this.settings.errorLabelContainer);

			this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);

			this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );

			this.submitted = {};

			this.valueCache = {};

			this.pendingRequest = 0;

			this.pending = {};

			this.invalid = {};

			this.reset();



			var groups = (this.groups = {});

			$.each(this.settings.groups, function(key, value) {

				$.each(value.split(/\s/), function(index, name) {

					groups[name] = key;

				});

			});

			var rules = this.settings.rules;

			$.each(rules, function(key, value) {

				rules[key] = $.validator.normalizeRule(value);

			});



			function delegate(event) {

				var validator = $.data(this[0].form, "validator"),

					eventType = "on" + event.type.replace(/^validate/, "");

				validator.settings[eventType] && validator.settings[eventType].call(validator, this[0] );

			}

			$(this.currentForm)

				.validateDelegate(":text, :password, :file, select, textarea", "focusin focusout keyup", delegate)

				.validateDelegate(":radio, :checkbox, select, option", "click", delegate);



			if (this.settings.invalidHandler)

				$(this.currentForm).bind("invalid-form.validate", this.settings.invalidHandler);

		},



		// http://docs.jquery.com/Plugins/Validation/Validator/form

		form: function() {

			this.checkForm();

			$.extend(this.submitted, this.errorMap);

			this.invalid = $.extend({}, this.errorMap);

			if (!this.valid())

				$(this.currentForm).triggerHandler("invalid-form", [this]);

			this.showErrors();

			return this.valid();

		},



		checkForm: function() {

			this.prepareForm();

			for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {

				this.check( elements[i] );

			}

			return this.valid();

		},



		// http://docs.jquery.com/Plugins/Validation/Validator/element

		element: function( element ) {

			element = this.clean( element );

			this.lastElement = element;

			this.prepareElement( element );

			this.currentElements = $(element);

			var result = this.check( element );

			if ( result ) {

				delete this.invalid[element.name];

			} else {

				this.invalid[element.name] = true;

			}

			if ( !this.numberOfInvalids() ) {

				// Hide error containers on last error

				this.toHide = this.toHide.add( this.containers );

			}

			this.showErrors();

			return result;

		},



		// http://docs.jquery.com/Plugins/Validation/Validator/showErrors

		showErrors: function(errors) {

			if(errors) {

				// add items to error list and map

				$.extend( this.errorMap, errors );

				this.errorList = [];

				for ( var name in errors ) {

					this.errorList.push({

						message: errors[name],

						element: this.findByName(name)[0]

					});

				}

				// remove items from success list

				this.successList = $.grep( this.successList, function(element) {

					return !(element.name in errors);

				});

			}

			this.settings.showErrors

				? this.settings.showErrors.call( this, this.errorMap, this.errorList )

				: this.defaultShowErrors();

		},



		// http://docs.jquery.com/Plugins/Validation/Validator/resetForm

		resetForm: function() {

			if ( $.fn.resetForm )

				$( this.currentForm ).resetForm();

			this.submitted = {};

			this.prepareForm();

			this.hideErrors();

			this.elements().removeClass( this.settings.errorClass );

		},



		numberOfInvalids: function() {

			return this.objectLength(this.invalid);

		},



		objectLength: function( obj ) {

			var count = 0;

			for ( var i in obj )

				count++;

			return count;

		},



		hideErrors: function() {

			this.addWrapper( this.toHide ).hide();

		},



		valid: function() {

			return this.size() == 0;

		},



		size: function() {

			return this.errorList.length;

		},



		focusInvalid: function() {

			if( this.settings.focusInvalid ) {

				try {

					$(this.findLastActive() || this.errorList.length && this.errorList[0].element || [])

					.filter(":visible")

					.focus()

					// manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find

					.trigger("focusin");

				} catch(e) {

					// ignore IE throwing errors when focusing hidden elements

				}

			}

		},



		findLastActive: function() {

			var lastActive = this.lastActive;

			return lastActive && $.grep(this.errorList, function(n) {

				return n.element.name == lastActive.name;

			}).length == 1 && lastActive;

		},



		elements: function() {

			var validator = this,

				rulesCache = {};



			// select all valid inputs inside the form (no submit or reset buttons)

			// workaround $Query([]).add until http://dev.jquery.com/ticket/2114 is solved

			return $([]).add(this.currentForm.elements)

			.filter(":input")

			.not(":submit, :reset, :image, [disabled]")

			.not( this.settings.ignore )

			.filter(function() {

				!this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);



				// select only the first element for each name, and only those with rules specified

				if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )

					return false;



				rulesCache[this.name] = true;

				return true;

			});

		},



		clean: function( selector ) {

			return $( selector )[0];

		},



		errors: function() {

			return $( this.settings.errorElement + "." + this.settings.errorClass, this.errorContext );

		},



		reset: function() {

			this.successList = [];

			this.errorList = [];

			this.errorMap = {};

			this.toShow = $([]);

			this.toHide = $([]);

			this.currentElements = $([]);

		},



		prepareForm: function() {

			this.reset();

			this.toHide = this.errors().add( this.containers );

		},



		prepareElement: function( element ) {

			this.reset();

			this.toHide = this.errorsFor(element);

		},



		check: function( element ) {

			element = this.clean( element );



			// if radio/checkbox, validate first element in group instead

			if (this.checkable(element)) {

				element = this.findByName( element.name ).not(this.settings.ignore)[0];

			}



			var rules = $(element).rules();

			var dependencyMismatch = false;

			for (var method in rules ) {

				var rule = { method: method, parameters: rules[method] };

				try {

					var result = $.validator.methods[method].call( this, element.value.replace(/\r/g, ""), element, rule.parameters );



					// if a method indicates that the field is optional and therefore valid,

					// don't mark it as valid when there are no other rules

					if ( result == "dependency-mismatch" ) {

						dependencyMismatch = true;

						continue;

					}

					dependencyMismatch = false;



					if ( result == "pending" ) {

						this.toHide = this.toHide.not( this.errorsFor(element) );

						return;

					}



					if( !result ) {

						this.formatAndAdd( element, rule );

						return false;

					}

				} catch(e) {

					this.settings.debug && window.console && console.log("exception occured when checking element " + element.id

						 + ", check the '" + rule.method + "' method", e);

					throw e;

				}

			}

			if (dependencyMismatch)

				return;

			if ( this.objectLength(rules) )

				this.successList.push(element);

			return true;

		},



		// return the custom message for the given element and validation method

		// specified in the element's "messages" metadata

		customMetaMessage: function(element, method) {

			if (!$.metadata)

				return;



			var meta = this.settings.meta

				? $(element).metadata()[this.settings.meta]

				: $(element).metadata();



			return meta && meta.messages && meta.messages[method];

		},



		// return the custom message for the given element name and validation method

		customMessage: function( name, method ) {

			var m = this.settings.messages[name];

			return m && (m.constructor == String

				? m

				: m[method]);

		},



		// return the first defined argument, allowing empty strings

		findDefined: function() {

			for(var i = 0; i < arguments.length; i++) {

				if (arguments[i] !== undefined)

					return arguments[i];

			}

			return undefined;

		},



		defaultMessage: function( element, method) {

			return this.findDefined(

				this.customMessage( element.name, method ),

				this.customMetaMessage( element, method ),

				// title is never undefined, so handle empty string as undefined

				!this.settings.ignoreTitle && element.title || undefined,

				$.validator.messages[method],

				"<strong>Warning: No message defined for " + element.name + "</strong>"

			);

		},



		formatAndAdd: function( element, rule ) {

			var message = this.defaultMessage( element, rule.method ),

				theregex = /\$?\{(\d+)\}/g;

			if ( typeof message == "function" ) {

				message = message.call(this, rule.parameters, element);

			} else if (theregex.test(message)) {

				message = jQuery.format(message.replace(theregex, '{$1}'), rule.parameters);

			}

			this.errorList.push({

				message: message,

				element: element

			});



			this.errorMap[element.name] = message;

			this.submitted[element.name] = message;

		},



		addWrapper: function(toToggle) {

			if ( this.settings.wrapper )

				toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );

			return toToggle;

		},



		defaultShowErrors: function() {

			for ( var i = 0; this.errorList[i]; i++ ) {

				var error = this.errorList[i];

				this.settings.highlight && this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );

				this.showLabel( error.element, error.message );

			}

			if( this.errorList.length ) {

				this.toShow = this.toShow.add( this.containers );

			}

			if (this.settings.success) {

				for ( var i = 0; this.successList[i]; i++ ) {

					this.showLabel( this.successList[i] );

				}

			}

			if (this.settings.unhighlight) {

				for ( var i = 0, elements = this.validElements(); elements[i]; i++ ) {

					this.settings.unhighlight.call( this, elements[i], this.settings.errorClass, this.settings.validClass );

				}

			}

			this.toHide = this.toHide.not( this.toShow );

			this.hideErrors();

			this.addWrapper( this.toShow ).show();

		},



		validElements: function() {

			return this.currentElements.not(this.invalidElements());

		},



		invalidElements: function() {

			return $(this.errorList).map(function() {

				return this.element;

			});

		},



		showLabel: function(element, message) {

			var label = this.errorsFor( element );

			if ( label.length ) {

				// refresh error/success class

				label.removeClass().addClass( this.settings.errorClass );



				// check if we have a generated label, replace the message then

				label.attr("generated") && label.html(message);

			} else {

				// create label

				label = $("<" + this.settings.errorElement + "/>")

					.attr({"for":  this.idOrName(element), generated: true})

					.addClass(this.settings.errorClass)

					.html(message || "");

				if ( this.settings.wrapper ) {

					// make sure the element is visible, even in IE

					// actually showing the wrapped element is handled elsewhere

					label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();

				}

				if ( !this.labelContainer.append(label).length )

					this.settings.errorPlacement

						? this.settings.errorPlacement(label, $(element) )

						: label.insertAfter(element);

			}

			if ( !message && this.settings.success ) {

				label.text("");

				typeof this.settings.success == "string"

					? label.addClass( this.settings.success )

					: this.settings.success( label );

			}

			this.toShow = this.toShow.add(label);

		},



		errorsFor: function(element) {

			var name = this.idOrName(element);

    		return this.errors().filter(function() {

				return $(this).attr('for') == name;

			});

		},



		idOrName: function(element) {

			return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);

		},



		checkable: function( element ) {

			return /radio|checkbox/i.test(element.type);

		},



		findByName: function( name ) {

			// select by name and filter by form for performance over form.find("[name=...]")

			var form = this.currentForm;

			return $(document.getElementsByName(name)).map(function(index, element) {

				return element.form == form && element.name == name && element  || null;

			});

		},



		getLength: function(value, element) {

			switch( element.nodeName.toLowerCase() ) {

			case 'select':

				return $("option:selected", element).length;

			case 'input':

				if( this.checkable( element) )

					return this.findByName(element.name).filter(':checked').length;

			}

			return value.length;

		},



		depend: function(param, element) {

			return this.dependTypes[typeof param]

				? this.dependTypes[typeof param](param, element)

				: true;

		},



		dependTypes: {

			"boolean": function(param, element) {

				return param;

			},

			"string": function(param, element) {

				return !!$(param, element.form).length;

			},

			"function": function(param, element) {

				return param(element);

			}

		},



		optional: function(element) {

			return !$.validator.methods.required.call(this, $.trim(element.value), element) && "dependency-mismatch";

		},



		startRequest: function(element) {

			if (!this.pending[element.name]) {

				this.pendingRequest++;

				this.pending[element.name] = true;

			}

		},



		stopRequest: function(element, valid) {

			this.pendingRequest--;

			// sometimes synchronization fails, make sure pendingRequest is never < 0

			if (this.pendingRequest < 0)

				this.pendingRequest = 0;

			delete this.pending[element.name];

			if ( valid && this.pendingRequest == 0 && this.formSubmitted && this.form() ) {

				$(this.currentForm).submit();

				this.formSubmitted = false;

			} else if (!valid && this.pendingRequest == 0 && this.formSubmitted) {

				$(this.currentForm).triggerHandler("invalid-form", [this]);

				this.formSubmitted = false;

			}

		},



		previousValue: function(element) {

			return $.data(element, "previousValue") || $.data(element, "previousValue", {

				old: null,

				valid: true,

				message: this.defaultMessage( element, "remote" )

			});

		}



	},



	classRuleSettings: {

		required: {required: true},

		email: {email: true},

		url: {url: true},

		date: {date: true},

		dateISO: {dateISO: true},

		dateDE: {dateDE: true},

		number: {number: true},

		numberDE: {numberDE: true},

		digits: {digits: true},

		creditcard: {creditcard: true}

	},



	addClassRules: function(className, rules) {

		className.constructor == String ?

			this.classRuleSettings[className] = rules :

			$.extend(this.classRuleSettings, className);

	},



	classRules: function(element) {

		var rules = {};

		var classes = $(element).attr('class');

		classes && $.each(classes.split(' '), function() {

			if (this in $.validator.classRuleSettings) {

				$.extend(rules, $.validator.classRuleSettings[this]);

			}

		});

		return rules;

	},



	attributeRules: function(element) {

		var rules = {};

		var $element = $(element);



		for (var method in $.validator.methods) {

			var value = $element.attr(method);

			if (value) {

				rules[method] = value;

			}

		}



		// maxlength may be returned as -1, 2147483647 (IE) and 524288 (safari) for text inputs

		if (rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength)) {

			delete rules.maxlength;

		}



		return rules;

	},



	metadataRules: function(element) {

		if (!$.metadata) return {};



		var meta = $.data(element.form, 'validator').settings.meta;

		return meta ?

			$(element).metadata()[meta] :

			$(element).metadata();

	},



	staticRules: function(element) {

		var rules = {};

		var validator = $.data(element.form, 'validator');

		if (validator.settings.rules) {

			rules = $.validator.normalizeRule(validator.settings.rules[element.name]) || {};

		}

		return rules;

	},



	normalizeRules: function(rules, element) {

		// handle dependency check

		$.each(rules, function(prop, val) {

			// ignore rule when param is explicitly false, eg. required:false

			if (val === false) {

				delete rules[prop];

				return;

			}

			if (val.param || val.depends) {

				var keepRule = true;

				switch (typeof val.depends) {

					case "string":

						keepRule = !!$(val.depends, element.form).length;

						break;

					case "function":

						keepRule = val.depends.call(element, element);

						break;

				}

				if (keepRule) {

					rules[prop] = val.param !== undefined ? val.param : true;

				} else {

					delete rules[prop];

				}

			}

		});



		// evaluate parameters

		$.each(rules, function(rule, parameter) {

			rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;

		});



		// clean number parameters

		$.each(['minlength', 'maxlength', 'min', 'max'], function() {

			if (rules[this]) {

				rules[this] = Number(rules[this]);

			}

		});

		$.each(['rangelength', 'range'], function() {

			if (rules[this]) {

				rules[this] = [Number(rules[this][0]), Number(rules[this][1])];

			}

		});



		if ($.validator.autoCreateRanges) {

			// auto-create ranges

			if (rules.min && rules.max) {

				rules.range = [rules.min, rules.max];

				delete rules.min;

				delete rules.max;

			}

			if (rules.minlength && rules.maxlength) {

				rules.rangelength = [rules.minlength, rules.maxlength];

				delete rules.minlength;

				delete rules.maxlength;

			}

		}



		// To support custom messages in metadata ignore rule methods titled "messages"

		if (rules.messages) {

			delete rules.messages;

		}



		return rules;

	},



	// Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}

	normalizeRule: function(data) {

		if( typeof data == "string" ) {

			var transformed = {};

			$.each(data.split(/\s/), function() {

				transformed[this] = true;

			});

			data = transformed;

		}

		return data;

	},



	// http://docs.jquery.com/Plugins/Validation/Validator/addMethod

	addMethod: function(name, method, message) {

		$.validator.methods[name] = method;

		$.validator.messages[name] = message != undefined ? message : $.validator.messages[name];

		if (method.length < 3) {

			$.validator.addClassRules(name, $.validator.normalizeRule(name));

		}

	},



	methods: {



		// http://docs.jquery.com/Plugins/Validation/Methods/required

		required: function(value, element, param) {

			// check if dependency is met

			if ( !this.depend(param, element) )

				return "dependency-mismatch";

			switch( element.nodeName.toLowerCase() ) {

			case 'select':

				// could be an array for select-multiple or a string, both are fine this way

				var val = $(element).val();

				return val && val.length > 0;

			case 'input':

				if ( this.checkable(element) )

					return this.getLength(value, element) > 0;

			default:

				return $.trim(value).length > 0;

			}

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/remote

		remote: function(value, element, param) {

			if ( this.optional(element) )

				return "dependency-mismatch";



			var previous = this.previousValue(element);

			if (!this.settings.messages[element.name] )

				this.settings.messages[element.name] = {};

			previous.originalMessage = this.settings.messages[element.name].remote;

			this.settings.messages[element.name].remote = previous.message;



			param = typeof param == "string" && {url:param} || param;



			if ( this.pending[element.name] ) {

				return "pending";

			}

			if ( previous.old === value ) {

				return previous.valid;

			}



			previous.old = value;

			var validator = this;

			this.startRequest(element);

			var data = {};

			data[element.name] = value;

			$.ajax($.extend(true, {

				url: param,

				mode: "abort",

				port: "validate" + element.name,

				dataType: "json",

				data: data,

				success: function(response) {

					validator.settings.messages[element.name].remote = previous.originalMessage;

					var valid = response === true;

					if ( valid ) {

						var submitted = validator.formSubmitted;

						validator.prepareElement(element);

						validator.formSubmitted = submitted;

						validator.successList.push(element);

						validator.showErrors();

					} else {

						var errors = {};

						var message = response || validator.defaultMessage( element, "remote" );

						errors[element.name] = previous.message = $.isFunction(message) ? message(value) : message;

						validator.showErrors(errors);

					}

					previous.valid = valid;

					validator.stopRequest(element, valid);

				}

			}, param));

			return "pending";

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/minlength

		minlength: function(value, element, param) {

			return this.optional(element) || this.getLength($.trim(value), element) >= param;

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/maxlength

		maxlength: function(value, element, param) {

			return this.optional(element) || this.getLength($.trim(value), element) <= param;

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/rangelength

		rangelength: function(value, element, param) {

			var length = this.getLength($.trim(value), element);

			return this.optional(element) || ( length >= param[0] && length <= param[1] );

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/min

		min: function( value, element, param ) {

			return this.optional(element) || value >= param;

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/max

		max: function( value, element, param ) {

			return this.optional(element) || value <= param;

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/range

		range: function( value, element, param ) {

			return this.optional(element) || ( value >= param[0] && value <= param[1] );

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/email

		email: function(value, element) {

			// contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/

			return this.optional(element) || /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i.test(value);

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/url

		url: function(value, element) {

			// contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/

			return this.optional(element) || /^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/date

		date: function(value, element) {

			return this.optional(element) || !/Invalid|NaN/.test(new Date(value));

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/dateISO

		dateISO: function(value, element) {

			return this.optional(element) || /^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(value);

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/number

		number: function(value, element) {

			return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(value);

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/digits

		digits: function(value, element) {

			return this.optional(element) || /^\d+$/.test(value);

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/creditcard

		// based on http://en.wikipedia.org/wiki/Luhn

		creditcard: function(value, element) {

			if ( this.optional(element) )

				return "dependency-mismatch";

			// accept only digits and dashes

			if (/[^0-9-]+/.test(value))

				return false;

			var nCheck = 0,

				nDigit = 0,

				bEven = false;



			value = value.replace(/\D/g, "");



			for (var n = value.length - 1; n >= 0; n--) {

				var cDigit = value.charAt(n);

				var nDigit = parseInt(cDigit, 10);

				if (bEven) {

					if ((nDigit *= 2) > 9)

						nDigit -= 9;

				}

				nCheck += nDigit;

				bEven = !bEven;

			}



			return (nCheck % 10) == 0;

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/accept

		accept: function(value, element, param) {

			param = typeof param == "string" ? param.replace(/,/g, '|') : "png|jpe?g|gif";

			return this.optional(element) || value.match(new RegExp(".(" + param + ")$", "i"));

		},



		// http://docs.jquery.com/Plugins/Validation/Methods/equalTo

		equalTo: function(value, element, param) {

			// bind to the blur event of the target in order to revalidate whenever the target field is updated

			// TODO find a way to bind the event just once, avoiding the unbind-rebind overhead

			var target = $(param).unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {

				$(element).valid();

			});

			return value == target.val();

		}



	}



});



// deprecated, use $.validator.format instead

$.format = $.validator.format;



})(jQuery);



// ajax mode: abort

// usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});

// if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort()

;(function($) {

	var pendingRequests = {};

	// Use a prefilter if available (1.5+)

	if ( $.ajaxPrefilter ) {

		$.ajaxPrefilter(function(settings, _, xhr) {

			var port = settings.port;

			if (settings.mode == "abort") {

				if ( pendingRequests[port] ) {

					pendingRequests[port].abort();

				}

				pendingRequests[port] = xhr;

			}

		});

	} else {

		// Proxy ajax

		var ajax = $.ajax;

		$.ajax = function(settings) {

			var mode = ( "mode" in settings ? settings : $.ajaxSettings ).mode,

				port = ( "port" in settings ? settings : $.ajaxSettings ).port;

			if (mode == "abort") {

				if ( pendingRequests[port] ) {

					pendingRequests[port].abort();

				}

				return (pendingRequests[port] = ajax.apply(this, arguments));

			}

			return ajax.apply(this, arguments);

		};

	}

})(jQuery);



// provides cross-browser focusin and focusout events

// IE has native support, in other browsers, use event caputuring (neither bubbles)



// provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation

// handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target

;(function($) {

	// only implement if not provided by jQuery core (since 1.4)

	// TODO verify if jQuery 1.4's implementation is compatible with older jQuery special-event APIs

	if (!jQuery.event.special.focusin && !jQuery.event.special.focusout && document.addEventListener) {

		$.each({

			focus: 'focusin',

			blur: 'focusout'

		}, function( original, fix ){

			$.event.special[fix] = {

				setup:function() {

					this.addEventListener( original, handler, true );

				},

				teardown:function() {

					this.removeEventListener( original, handler, true );

				},

				handler: function(e) {

					arguments[0] = $.event.fix(e);

					arguments[0].type = fix;

					return $.event.handle.apply(this, arguments);

				}

			};

			function handler(e) {

				e = $.event.fix(e);

				e.type = fix;

				return $.event.handle.call(this, e);

			}

		});

	};

	$.extend($.fn, {

		validateDelegate: function(delegate, type, handler) {

			return this.bind(type, function(event) {

				var target = $(event.target);

				if (target.is(delegate)) {

					return handler.apply(target, arguments);

				}

			});

		}

	});

})(jQuery);
