/**
 * jquery validation plugin 1.8.1
 *
 * 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) {
			if (element.type === 'radio') {
				this.findbyname(element.name).addclass(errorclass).removeclass(validclass);
			} else {
				$(element).addclass(errorclass).removeclass(validclass);
			}
		},
		unhighlight: function(element, errorclass, validclass) {
			if (element.type === 'radio') {
				this.findbyname(element.name).removeclass(errorclass).addclass(validclass);
			} else {
				$(element).removeclass(errorclass).addclass(validclass);
			}
		}
	},

	// http://docs.jquery.com/plugins/validation/validator/setdefaults
	setdefaults: function(settings) {
		$.extend( $.validator.defaults, settings );
	},

	messages: {
		required: "此项为必填项",
		remote: "数据已存在",
		email: "请输入一个有效的电子邮件地址",
		url: "请输入一个有效的网址",
		date: "请输入一个有效的日期",
		dateiso: "请输入一个有效的(iso)日期.",
		number: "请输入一个有效的数字",
		digits: "请只输入数字",
		creditcard: "请输入一个有效的信用卡号码",
		equalto: "请再次输入相同的值.",
		accept: "请输入一个有效的扩展名的价值.",
		maxlength: $.validator.format("请输入不超过 {0} 个字符."),
		minlength: $.validator.format("请输入至少 {0} 个字符."),
		rangelength: $.validator.format("请输入介于值 {0} 和 {1} 个字符长."),
		range: $.validator.format("请输入介于 {0} 和 {1}的值"),
		max: $.validator.format("请输入大于或等于 {0}的值"),
		min: $.validator.format("请输入一个值大于或等于 {0}的值"),
		ip4:  "请输入一个正确的ip地址",
		mobile: "请输入一个正确的手机号码",
		zipcode: "请输入一个正确的邮编",
		qq: "请输入一个正确的qq号码",
		idcard: "请输入一个正确的身份证号",
		chinese: "请输入中文字符",
		cn_username:"请输入中文英文和数字",
		tel: "请输入正确的电话号码",
		english: "只能输入英文字母",
		en_num: "只能输入英文和数字和下划线"
	},


	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)
			return $(this.currentform)
			.find("input, select, textarea")
			.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},
		ip4: {ip4: true},
		zipcode: {zipcode: true},
		qq: {qq: true},
		idcard: {idcard: true},
		chinese: {chinese: true},
		cn_username: {cn_username: true},
		tel: {tel: true},
		mobile: {mobile: true},
		english: {english: true},
		en_num: {en_num: 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);
		},

		english: function(value, element) {
			return this.optional(element) || /^[a-z_a-z]+$/.test(value);
		},
		en_num: function(value, element) {
			return this.optional(element) || /^\w+$/.test(value);
		},
		ip4: function(value, element) {
			return this.optional(element) || /^\d+\.\d+\.\d+\.\d+$/.test(value);
		},
		mobile: function(value, element) {
			return this.optional(element) || /^[0-9]{11}$/.test(value);
		},
		zipcode: function(value, element) {
			return this.optional(element) || /^\d{6}$/.test(value);
		},
		qq: function(value, element) {
			return this.optional(element) || /^\d{5,}$/.test(value);
		},
		idcard: function(value, element) {
			return this.optional(element) || /^[1-9]([0-9]{14}|[0-9]{17})$/.test(value);
		},
		chinese: function(value, element) {
			return this.optional(element) || /^[\u4e00-\u9fa5]+$/.test(value);
		},
		cn_username: function(value, element) {
			return this.optional(element) || /^([\u4e00-\u9fa5]|[\w])+$/.test(value);
		},
		tel: function(value, element) {
			return this.optional(element) || /^[+]{0,1}(\d){1,4}[ ]{0,1}([-]{0,1}((\d)|[ ]){1,12})+$/.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);



/*设置显示样式*/

(function($) {

$.extend({
	metadata : {
		defaults : {
			type: 'class',
			name: 'metadata',
			cre: /({.*})/,
			single: 'metadata'
		},
		settype: function( type, name ){
			this.defaults.type = type;
			this.defaults.name = name;
		},
		get: function( elem, opts ){
			var settings = $.extend({},this.defaults,opts);
			// check for empty string in single property
			if ( !settings.single.length ) settings.single = 'metadata';

			var data = $.data(elem, settings.single);
			// returned cached data if it already exists
			if ( data ) return data;

			data = "{}";

			if ( settings.type == "class" ) {
				var m = settings.cre.exec( elem.classname );
				if ( m )
					data = m[1];
			} else if ( settings.type == "elem" ) {
				if( !elem.getelementsbytagname )
					return undefined;
				var e = elem.getelementsbytagname(settings.name);
				if ( e.length )
					data = $.trim(e[0].innerhtml);
			} else if ( elem.getattribute != undefined ) {
				var attr = elem.getattribute( settings.name );
				if ( attr )
					data = attr;
			}

			if ( data.indexof( '{' ) <0 )
			data = "{" + data + "}";

			data = eval("(" + data + ")");

			$.data( elem, settings.single, data );
			return data;
		}
	}
});


$.fn.metadata = function( opts ){
	return $.metadata.get( this[0], opts );
};

})(jquery);

$.metadata.settype("attr", "validate");

jquery(document).ready(function($){
    $("#myform").validate({
    			event:"blur",
    			errorelement: "em",
    			errorplacement: function(error, element) {
    				error.appendto( element.parent("td") );
    			},
    			success: function(label) {
    				label.addclass("success");
    			}
    });

});