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/lib/jquery-validate/jquery.validate.js

#
JavaScript | 1146 lines | 905 code | 132 blank | 109 comment | 203 complexity | 590a2ff1b9938b9ef16e37131bd31136 MD5 | raw file
   1/*
   2 * jQuery validation plug-in 1.7
   3 *
   4 * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
   5 * http://docs.jquery.com/Plugins/Validation
   6 *
   7 * Copyright (c) 2006 - 2008 J??rn Zaefferer
   8 *
   9 * $Id: jquery.validate.js 6403 2009-06-17 14:27:16Z joern.zaefferer $
  10 *
  11 * Dual licensed under the MIT and GPL licenses:
  12 *   http://www.opensource.org/licenses/mit-license.php
  13 *   http://www.gnu.org/licenses/gpl.html
  14 */
  15
  16(function($) {
  17
  18$.extend($.fn, {
  19	// http://docs.jquery.com/Plugins/Validation/validate
  20	validate: function( options ) {
  21
  22		// if nothing is selected, return nothing; can't chain anyway
  23		if (!this.length) {
  24			options && options.debug && window.console && console.warn( "nothing selected, can't validate, returning nothing" );
  25			return;
  26		}
  27
  28		// check if a validator for this form was already created
  29		var validator = $.data(this[0], 'validator');
  30		if ( validator ) {
  31			return validator;
  32		}
  33		
  34		validator = new $.validator( options, this[0] );
  35		$.data(this[0], 'validator', validator); 
  36		
  37		if ( validator.settings.onsubmit ) {
  38		
  39			// allow suppresing validation by adding a cancel class to the submit button
  40			this.find("input, button").filter(".cancel").click(function() {
  41				validator.cancelSubmit = true;
  42			});
  43			
  44			// when a submitHandler is used, capture the submitting button
  45			if (validator.settings.submitHandler) {
  46				this.find("input, button").filter(":submit").click(function() {
  47					validator.submitButton = this;
  48				});
  49			}
  50		
  51			// validate the form on submit
  52			this.submit( function( event ) {
  53				if ( validator.settings.debug )
  54					// prevent form submit to be able to see console output
  55					event.preventDefault();
  56					
  57				function handle() {
  58					if ( validator.settings.submitHandler ) {
  59						if (validator.submitButton) {
  60							// insert a hidden input as a replacement for the missing submit button
  61							var hidden = $("<input type='hidden'/>").attr("name", validator.submitButton.name).val(validator.submitButton.value).appendTo(validator.currentForm);
  62						}
  63						validator.settings.submitHandler.call( validator, validator.currentForm );
  64						if (validator.submitButton) {
  65							// and clean up afterwards; thanks to no-block-scope, hidden can be referenced
  66							hidden.remove();
  67						}
  68						return false;
  69					}
  70					return true;
  71				}
  72					
  73				// prevent submit for invalid forms or custom submit handlers
  74				if ( validator.cancelSubmit ) {
  75					validator.cancelSubmit = false;
  76					return handle();
  77				}
  78				if ( validator.form() ) {
  79					if ( validator.pendingRequest ) {
  80						validator.formSubmitted = true;
  81						return false;
  82					}
  83					return handle();
  84				} else {
  85					validator.focusInvalid();
  86					return false;
  87				}
  88			});
  89		}
  90		
  91		return validator;
  92	},
  93	// http://docs.jquery.com/Plugins/Validation/valid
  94	valid: function() {
  95        if ( $(this[0]).is('form')) {
  96            return this.validate().form();
  97        } else {
  98            var valid = true;
  99            var validator = $(this[0].form).validate();
 100            this.each(function() {
 101				valid &= validator.element(this);
 102            });
 103            return valid;
 104        }
 105    },
 106	// attributes: space seperated list of attributes to retrieve and remove
 107	removeAttrs: function(attributes) {
 108		var result = {},
 109			$element = this;
 110		$.each(attributes.split(/\s/), function(index, value) {
 111			result[value] = $element.attr(value);
 112			$element.removeAttr(value);
 113		});
 114		return result;
 115	},
 116	// http://docs.jquery.com/Plugins/Validation/rules
 117	rules: function(command, argument) {
 118		var element = this[0];
 119		
 120		if (command) {
 121			var settings = $.data(element.form, 'validator').settings;
 122			var staticRules = settings.rules;
 123			var existingRules = $.validator.staticRules(element);
 124			switch(command) {
 125			case "add":
 126				$.extend(existingRules, $.validator.normalizeRule(argument));
 127				staticRules[element.name] = existingRules;
 128				if (argument.messages)
 129					settings.messages[element.name] = $.extend( settings.messages[element.name], argument.messages );
 130				break;
 131			case "remove":
 132				if (!argument) {
 133					delete staticRules[element.name];
 134					return existingRules;
 135				}
 136				var filtered = {};
 137				$.each(argument.split(/\s/), function(index, method) {
 138					filtered[method] = existingRules[method];
 139					delete existingRules[method];
 140				});
 141				return filtered;
 142			}
 143		}
 144		
 145		var data = $.validator.normalizeRules(
 146		$.extend(
 147			{},
 148			$.validator.metadataRules(element),
 149			$.validator.classRules(element),
 150			$.validator.attributeRules(element),
 151			$.validator.staticRules(element)
 152		), element);
 153		
 154		// make sure required is at front
 155		if (data.required) {
 156			var param = data.required;
 157			delete data.required;
 158			data = $.extend({required: param}, data);
 159		}
 160		
 161		return data;
 162	}
 163});
 164
 165// Custom selectors
 166$.extend($.expr[":"], {
 167	// http://docs.jquery.com/Plugins/Validation/blank
 168	blank: function(a) {return !$.trim("" + a.value);},
 169	// http://docs.jquery.com/Plugins/Validation/filled
 170	filled: function(a) {return !!$.trim("" + a.value);},
 171	// http://docs.jquery.com/Plugins/Validation/unchecked
 172	unchecked: function(a) {return !a.checked;}
 173});
 174
 175// constructor for validator
 176$.validator = function( options, form ) {
 177	this.settings = $.extend( true, {}, $.validator.defaults, options );
 178	this.currentForm = form;
 179	this.init();
 180};
 181
 182$.validator.format = function(source, params) {
 183	if ( arguments.length == 1 ) 
 184		return function() {
 185			var args = $.makeArray(arguments);
 186			args.unshift(source);
 187			return $.validator.format.apply( this, args );
 188		};
 189	if ( arguments.length > 2 && params.constructor != Array  ) {
 190		params = $.makeArray(arguments).slice(1);
 191	}
 192	if ( params.constructor != Array ) {
 193		params = [ params ];
 194	}
 195	$.each(params, function(i, n) {
 196		source = source.replace(new RegExp("\\{" + i + "\\}", "g"), n);
 197	});
 198	return source;
 199};
 200
 201$.extend($.validator, {
 202	
 203	defaults: {
 204		messages: {},
 205		groups: {},
 206		rules: {},
 207		errorClass: "error",
 208		validClass: "valid",
 209		errorElement: "label",
 210		focusInvalid: true,
 211		errorContainer: $( [] ),
 212		errorLabelContainer: $( [] ),
 213		onsubmit: true,
 214		ignore: [],
 215		ignoreTitle: false,
 216		onfocusin: function(element) {
 217			this.lastActive = element;
 218				
 219			// hide error label and remove error class on focus if enabled
 220			if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {
 221				this.settings.unhighlight && this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
 222				this.errorsFor(element).hide();
 223			}
 224		},
 225		onfocusout: function(element) {
 226			if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {
 227				this.element(element);
 228			}
 229		},
 230		onkeyup: function(element) {
 231			if ( element.name in this.submitted || element == this.lastElement ) {
 232				this.element(element);
 233			}
 234		},
 235		onclick: function(element) {
 236			// click on selects, radiobuttons and checkboxes
 237			if ( element.name in this.submitted )
 238				this.element(element);
 239			// or option elements, check parent select in that case
 240			else if (element.parentNode.name in this.submitted)
 241				this.element(element.parentNode);
 242		},
 243		highlight: function( element, errorClass, validClass ) {
 244			$(element).addClass(errorClass).removeClass(validClass);
 245		},
 246		unhighlight: function( element, errorClass, validClass ) {
 247			$(element).removeClass(errorClass).addClass(validClass);
 248		}
 249	},
 250
 251	// http://docs.jquery.com/Plugins/Validation/Validator/setDefaults
 252	setDefaults: function(settings) {
 253		$.extend( $.validator.defaults, settings );
 254	},
 255
 256	messages: {
 257		required: "This field is required.",
 258		remote: "Please fix this field.",
 259		email: "Please enter a valid email address.",
 260		url: "Please enter a valid URL.",
 261		date: "Please enter a valid date.",
 262		dateISO: "Please enter a valid date (ISO).",
 263		number: "Please enter a valid number.",
 264		digits: "Please enter only digits.",
 265		creditcard: "Please enter a valid credit card number.",
 266		equalTo: "Please enter the same value again.",
 267		accept: "Please enter a value with a valid extension.",
 268		maxlength: $.validator.format("Please enter no more than {0} characters."),
 269		minlength: $.validator.format("Please enter at least {0} characters."),
 270		rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),
 271		range: $.validator.format("Please enter a value between {0} and {1}."),
 272		max: $.validator.format("Please enter a value less than or equal to {0}."),
 273		min: $.validator.format("Please enter a value greater than or equal to {0}.")
 274	},
 275	
 276	autoCreateRanges: false,
 277	
 278	prototype: {
 279		
 280		init: function() {
 281			this.labelContainer = $(this.settings.errorLabelContainer);
 282			this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
 283			this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );
 284			this.submitted = {};
 285			this.valueCache = {};
 286			this.pendingRequest = 0;
 287			this.pending = {};
 288			this.invalid = {};
 289			this.reset();
 290			
 291			var groups = (this.groups = {});
 292			$.each(this.settings.groups, function(key, value) {
 293				$.each(value.split(/\s/), function(index, name) {
 294					groups[name] = key;
 295				});
 296			});
 297			var rules = this.settings.rules;
 298			$.each(rules, function(key, value) {
 299				rules[key] = $.validator.normalizeRule(value);
 300			});
 301			
 302			function delegate(event) {
 303				var validator = $.data(this[0].form, "validator"),
 304					eventType = "on" + event.type.replace(/^validate/, "");
 305				validator.settings[eventType] && validator.settings[eventType].call(validator, this[0] );
 306			}
 307			$(this.currentForm)
 308				.validateDelegate(":text, :password, :file, select, textarea", "focusin focusout keyup", delegate)
 309				.validateDelegate(":radio, :checkbox, select, option", "click", delegate);
 310
 311			if (this.settings.invalidHandler)
 312				$(this.currentForm).bind("invalid-form.validate", this.settings.invalidHandler);
 313		},
 314
 315		// http://docs.jquery.com/Plugins/Validation/Validator/form
 316		form: function() {
 317			this.checkForm();
 318			$.extend(this.submitted, this.errorMap);
 319			this.invalid = $.extend({}, this.errorMap);
 320			if (!this.valid())
 321				$(this.currentForm).triggerHandler("invalid-form", [this]);
 322			this.showErrors();
 323			return this.valid();
 324		},
 325		
 326		checkForm: function() {
 327			this.prepareForm();
 328			for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {
 329				this.check( elements[i] );
 330			}
 331			return this.valid(); 
 332		},
 333		
 334		// http://docs.jquery.com/Plugins/Validation/Validator/element
 335		element: function( element ) {
 336			element = this.clean( element );
 337			this.lastElement = element;
 338			this.prepareElement( element );
 339			this.currentElements = $(element);
 340			var result = this.check( element );
 341			if ( result ) {
 342				delete this.invalid[element.name];
 343			} else {
 344				this.invalid[element.name] = true;
 345			}
 346			if ( !this.numberOfInvalids() ) {
 347				// Hide error containers on last error
 348				this.toHide = this.toHide.add( this.containers );
 349			}
 350			this.showErrors();
 351			return result;
 352		},
 353
 354		// http://docs.jquery.com/Plugins/Validation/Validator/showErrors
 355		showErrors: function(errors) {
 356			if(errors) {
 357				// add items to error list and map
 358				$.extend( this.errorMap, errors );
 359				this.errorList = [];
 360				for ( var name in errors ) {
 361					this.errorList.push({
 362						message: errors[name],
 363						element: this.findByName(name)[0]
 364					});
 365				}
 366				// remove items from success list
 367				this.successList = $.grep( this.successList, function(element) {
 368					return !(element.name in errors);
 369				});
 370			}
 371			this.settings.showErrors
 372				? this.settings.showErrors.call( this, this.errorMap, this.errorList )
 373				: this.defaultShowErrors();
 374		},
 375		
 376		// http://docs.jquery.com/Plugins/Validation/Validator/resetForm
 377		resetForm: function() {
 378			if ( $.fn.resetForm )
 379				$( this.currentForm ).resetForm();
 380			this.submitted = {};
 381			this.prepareForm();
 382			this.hideErrors();
 383			this.elements().removeClass( this.settings.errorClass );
 384		},
 385		
 386		numberOfInvalids: function() {
 387			return this.objectLength(this.invalid);
 388		},
 389		
 390		objectLength: function( obj ) {
 391			var count = 0;
 392			for ( var i in obj )
 393				count++;
 394			return count;
 395		},
 396		
 397		hideErrors: function() {
 398			this.addWrapper( this.toHide ).hide();
 399		},
 400		
 401		valid: function() {
 402			return this.size() == 0;
 403		},
 404		
 405		size: function() {
 406			return this.errorList.length;
 407		},
 408		
 409		focusInvalid: function() {
 410			if( this.settings.focusInvalid ) {
 411				try {
 412					$(this.findLastActive() || this.errorList.length && this.errorList[0].element || [])
 413					.filter(":visible")
 414					.focus()
 415					// manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
 416					.trigger("focusin");
 417				} catch(e) {
 418					// ignore IE throwing errors when focusing hidden elements
 419				}
 420			}
 421		},
 422		
 423		findLastActive: function() {
 424			var lastActive = this.lastActive;
 425			return lastActive && $.grep(this.errorList, function(n) {
 426				return n.element.name == lastActive.name;
 427			}).length == 1 && lastActive;
 428		},
 429		
 430		elements: function() {
 431			var validator = this,
 432				rulesCache = {};
 433			
 434			// select all valid inputs inside the form (no submit or reset buttons)
 435			// workaround $Query([]).add until http://dev.jquery.com/ticket/2114 is solved
 436			return $([]).add(this.currentForm.elements)
 437			.filter(":input")
 438			.not(":submit, :reset, :image, [disabled]")
 439			.not( this.settings.ignore )
 440			.filter(function() {
 441				!this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);
 442			
 443				// select only the first element for each name, and only those with rules specified
 444				if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )
 445					return false;
 446				
 447				rulesCache[this.name] = true;
 448				return true;
 449			});
 450		},
 451		
 452		clean: function( selector ) {
 453			return $( selector )[0];
 454		},
 455		
 456		errors: function() {
 457			return $( this.settings.errorElement + "." + this.settings.errorClass, this.errorContext );
 458		},
 459		
 460		reset: function() {
 461			this.successList = [];
 462			this.errorList = [];
 463			this.errorMap = {};
 464			this.toShow = $([]);
 465			this.toHide = $([]);
 466			this.currentElements = $([]);
 467		},
 468		
 469		prepareForm: function() {
 470			this.reset();
 471			this.toHide = this.errors().add( this.containers );
 472		},
 473		
 474		prepareElement: function( element ) {
 475			this.reset();
 476			this.toHide = this.errorsFor(element);
 477		},
 478	
 479		check: function( element ) {
 480			element = this.clean( element );
 481			
 482			// if radio/checkbox, validate first element in group instead
 483			if (this.checkable(element)) {
 484				element = this.findByName( element.name )[0];
 485			}
 486			
 487			var rules = $(element).rules();
 488			var dependencyMismatch = false;
 489			for( method in rules ) {
 490				var rule = { method: method, parameters: rules[method] };
 491				try {
 492					var result = $.validator.methods[method].call( this, element.value.replace(/\r/g, ""), element, rule.parameters );
 493					
 494					// if a method indicates that the field is optional and therefore valid,
 495					// don't mark it as valid when there are no other rules
 496					if ( result == "dependency-mismatch" ) {
 497						dependencyMismatch = true;
 498						continue;
 499					}
 500					dependencyMismatch = false;
 501					
 502					if ( result == "pending" ) {
 503						this.toHide = this.toHide.not( this.errorsFor(element) );
 504						return;
 505					}
 506					
 507					if( !result ) {
 508						this.formatAndAdd( element, rule );
 509						return false;
 510					}
 511				} catch(e) {
 512					this.settings.debug && window.console && console.log("exception occured when checking element " + element.id
 513						 + ", check the '" + rule.method + "' method", e);
 514					throw e;
 515				}
 516			}
 517			if (dependencyMismatch)
 518				return;
 519			if ( this.objectLength(rules) )
 520				this.successList.push(element);
 521			return true;
 522		},
 523		
 524		// return the custom message for the given element and validation method
 525		// specified in the element's "messages" metadata
 526		customMetaMessage: function(element, method) {
 527			if (!$.metadata)
 528				return;
 529			
 530			var meta = this.settings.meta
 531				? $(element).metadata()[this.settings.meta]
 532				: $(element).metadata();
 533			
 534			return meta && meta.messages && meta.messages[method];
 535		},
 536		
 537		// return the custom message for the given element name and validation method
 538		customMessage: function( name, method ) {
 539			var m = this.settings.messages[name];
 540			return m && (m.constructor == String
 541				? m
 542				: m[method]);
 543		},
 544		
 545		// return the first defined argument, allowing empty strings
 546		findDefined: function() {
 547			for(var i = 0; i < arguments.length; i++) {
 548				if (arguments[i] !== undefined)
 549					return arguments[i];
 550			}
 551			return undefined;
 552		},
 553		
 554		defaultMessage: function( element, method) {
 555			return this.findDefined(
 556				this.customMessage( element.name, method ),
 557				this.customMetaMessage( element, method ),
 558				// title is never undefined, so handle empty string as undefined
 559				!this.settings.ignoreTitle && element.title || undefined,
 560				$.validator.messages[method],
 561				"<strong>Warning: No message defined for " + element.name + "</strong>"
 562			);
 563		},
 564		
 565		formatAndAdd: function( element, rule ) {
 566			var message = this.defaultMessage( element, rule.method ),
 567				theregex = /\$?\{(\d+)\}/g;
 568			if ( typeof message == "function" ) {
 569				message = message.call(this, rule.parameters, element);
 570			} else if (theregex.test(message)) {
 571				message = jQuery.format(message.replace(theregex, '{$1}'), rule.parameters);
 572			}			
 573			this.errorList.push({
 574				message: message,
 575				element: element
 576			});
 577			
 578			this.errorMap[element.name] = message;
 579			this.submitted[element.name] = message;
 580		},
 581		
 582		addWrapper: function(toToggle) {
 583			if ( this.settings.wrapper )
 584				toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
 585			return toToggle;
 586		},
 587		
 588		defaultShowErrors: function() {
 589			for ( var i = 0; this.errorList[i]; i++ ) {
 590				var error = this.errorList[i];
 591				this.settings.highlight && this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
 592				this.showLabel( error.element, error.message );
 593			}
 594			if( this.errorList.length ) {
 595				this.toShow = this.toShow.add( this.containers );
 596			}
 597			if (this.settings.success) {
 598				for ( var i = 0; this.successList[i]; i++ ) {
 599					this.showLabel( this.successList[i] );
 600				}
 601			}
 602			if (this.settings.unhighlight) {
 603				for ( var i = 0, elements = this.validElements(); elements[i]; i++ ) {
 604					this.settings.unhighlight.call( this, elements[i], this.settings.errorClass, this.settings.validClass );
 605				}
 606			}
 607			this.toHide = this.toHide.not( this.toShow );
 608			this.hideErrors();
 609			this.addWrapper( this.toShow ).show();
 610		},
 611		
 612		validElements: function() {
 613			return this.currentElements.not(this.invalidElements());
 614		},
 615		
 616		invalidElements: function() {
 617			return $(this.errorList).map(function() {
 618				return this.element;
 619			});
 620		},
 621		
 622		showLabel: function(element, message) {
 623			var label = this.errorsFor( element );
 624			if ( label.length ) {
 625				// refresh error/success class
 626				label.removeClass().addClass( this.settings.errorClass );
 627			
 628				// check if we have a generated label, replace the message then
 629				label.attr("generated") && label.html(message);
 630			} else {
 631				// create label
 632				label = $("<" + this.settings.errorElement + "/>")
 633					.attr({"for":  this.idOrName(element), generated: true})
 634					.addClass(this.settings.errorClass)
 635					.html(message || "");
 636				if ( this.settings.wrapper ) {
 637					// make sure the element is visible, even in IE
 638					// actually showing the wrapped element is handled elsewhere
 639					label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
 640				}
 641				if ( !this.labelContainer.append(label).length )
 642					this.settings.errorPlacement
 643						? this.settings.errorPlacement(label, $(element) )
 644						: label.insertAfter(element);
 645			}
 646			if ( !message && this.settings.success ) {
 647				label.text("");
 648				typeof this.settings.success == "string"
 649					? label.addClass( this.settings.success )
 650					: this.settings.success( label );
 651			}
 652			this.toShow = this.toShow.add(label);
 653		},
 654		
 655		errorsFor: function(element) {
 656			var name = this.idOrName(element);
 657    		return this.errors().filter(function() {
 658				return $(this).attr('for') == name;
 659			});
 660		},
 661		
 662		idOrName: function(element) {
 663			return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);
 664		},
 665
 666		checkable: function( element ) {
 667			return /radio|checkbox/i.test(element.type);
 668		},
 669		
 670		findByName: function( name ) {
 671			// select by name and filter by form for performance over form.find("[name=...]")
 672			var form = this.currentForm;
 673			return $(document.getElementsByName(name)).map(function(index, element) {
 674				return element.form == form && element.name == name && element  || null;
 675			});
 676		},
 677		
 678		getLength: function(value, element) {
 679			switch( element.nodeName.toLowerCase() ) {
 680			case 'select':
 681				return $("option:selected", element).length;
 682			case 'input':
 683				if( this.checkable( element) )
 684					return this.findByName(element.name).filter(':checked').length;
 685			}
 686			return value.length;
 687		},
 688	
 689		depend: function(param, element) {
 690			return this.dependTypes[typeof param]
 691				? this.dependTypes[typeof param](param, element)
 692				: true;
 693		},
 694	
 695		dependTypes: {
 696			"boolean": function(param, element) {
 697				return param;
 698			},
 699			"string": function(param, element) {
 700				return !!$(param, element.form).length;
 701			},
 702			"function": function(param, element) {
 703				return param(element);
 704			}
 705		},
 706		
 707		optional: function(element) {
 708			return !$.validator.methods.required.call(this, $.trim(element.value), element) && "dependency-mismatch";
 709		},
 710		
 711		startRequest: function(element) {
 712			if (!this.pending[element.name]) {
 713				this.pendingRequest++;
 714				this.pending[element.name] = true;
 715			}
 716		},
 717		
 718		stopRequest: function(element, valid) {
 719			this.pendingRequest--;
 720			// sometimes synchronization fails, make sure pendingRequest is never < 0
 721			if (this.pendingRequest < 0)
 722				this.pendingRequest = 0;
 723			delete this.pending[element.name];
 724			if ( valid && this.pendingRequest == 0 && this.formSubmitted && this.form() ) {
 725				$(this.currentForm).submit();
 726				this.formSubmitted = false;
 727			} else if (!valid && this.pendingRequest == 0 && this.formSubmitted) {
 728				$(this.currentForm).triggerHandler("invalid-form", [this]);
 729				this.formSubmitted = false;
 730			}
 731		},
 732		
 733		previousValue: function(element) {
 734			return $.data(element, "previousValue") || $.data(element, "previousValue", {
 735				old: null,
 736				valid: true,
 737				message: this.defaultMessage( element, "remote" )
 738			});
 739		}
 740		
 741	},
 742	
 743	classRuleSettings: {
 744		required: {required: true},
 745		email: {email: true},
 746		url: {url: true},
 747		date: {date: true},
 748		dateISO: {dateISO: true},
 749		dateDE: {dateDE: true},
 750		number: {number: true},
 751		numberDE: {numberDE: true},
 752		digits: {digits: true},
 753		creditcard: {creditcard: true}
 754	},
 755	
 756	addClassRules: function(className, rules) {
 757		className.constructor == String ?
 758			this.classRuleSettings[className] = rules :
 759			$.extend(this.classRuleSettings, className);
 760	},
 761	
 762	classRules: function(element) {
 763		var rules = {};
 764		var classes = $(element).attr('class');
 765		classes && $.each(classes.split(' '), function() {
 766			if (this in $.validator.classRuleSettings) {
 767				$.extend(rules, $.validator.classRuleSettings[this]);
 768			}
 769		});
 770		return rules;
 771	},
 772	
 773	attributeRules: function(element) {
 774		var rules = {};
 775		var $element = $(element);
 776		
 777		for (method in $.validator.methods) {
 778			var value = $element.attr(method);
 779			if (value) {
 780				rules[method] = value;
 781			}
 782		}
 783		
 784		// maxlength may be returned as -1, 2147483647 (IE) and 524288 (safari) for text inputs
 785		if (rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength)) {
 786			delete rules.maxlength;
 787		}
 788		
 789		return rules;
 790	},
 791	
 792	metadataRules: function(element) {
 793		if (!$.metadata) return {};
 794		
 795		var meta = $.data(element.form, 'validator').settings.meta;
 796		return meta ?
 797			$(element).metadata()[meta] :
 798			$(element).metadata();
 799	},
 800	
 801	staticRules: function(element) {
 802		var rules = {};
 803		var validator = $.data(element.form, 'validator');
 804		if (validator.settings.rules) {
 805			rules = $.validator.normalizeRule(validator.settings.rules[element.name]) || {};
 806		}
 807		return rules;
 808	},
 809	
 810	normalizeRules: function(rules, element) {
 811		// handle dependency check
 812		$.each(rules, function(prop, val) {
 813			// ignore rule when param is explicitly false, eg. required:false
 814			if (val === false) {
 815				delete rules[prop];
 816				return;
 817			}
 818			if (val.param || val.depends) {
 819				var keepRule = true;
 820				switch (typeof val.depends) {
 821					case "string":
 822						keepRule = !!$(val.depends, element.form).length;
 823						break;
 824					case "function":
 825						keepRule = val.depends.call(element, element);
 826						break;
 827				}
 828				if (keepRule) {
 829					rules[prop] = val.param !== undefined ? val.param : true;
 830				} else {
 831					delete rules[prop];
 832				}
 833			}
 834		});
 835		
 836		// evaluate parameters
 837		$.each(rules, function(rule, parameter) {
 838			rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;
 839		});
 840		
 841		// clean number parameters
 842		$.each(['minlength', 'maxlength', 'min', 'max'], function() {
 843			if (rules[this]) {
 844				rules[this] = Number(rules[this]);
 845			}
 846		});
 847		$.each(['rangelength', 'range'], function() {
 848			if (rules[this]) {
 849				rules[this] = [Number(rules[this][0]), Number(rules[this][1])];
 850			}
 851		});
 852		
 853		if ($.validator.autoCreateRanges) {
 854			// auto-create ranges
 855			if (rules.min && rules.max) {
 856				rules.range = [rules.min, rules.max];
 857				delete rules.min;
 858				delete rules.max;
 859			}
 860			if (rules.minlength && rules.maxlength) {
 861				rules.rangelength = [rules.minlength, rules.maxlength];
 862				delete rules.minlength;
 863				delete rules.maxlength;
 864			}
 865		}
 866		
 867		// To support custom messages in metadata ignore rule methods titled "messages"
 868		if (rules.messages) {
 869			delete rules.messages;
 870		}
 871		
 872		return rules;
 873	},
 874	
 875	// Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
 876	normalizeRule: function(data) {
 877		if( typeof data == "string" ) {
 878			var transformed = {};
 879			$.each(data.split(/\s/), function() {
 880				transformed[this] = true;
 881			});
 882			data = transformed;
 883		}
 884		return data;
 885	},
 886	
 887	// http://docs.jquery.com/Plugins/Validation/Validator/addMethod
 888	addMethod: function(name, method, message) {
 889		$.validator.methods[name] = method;
 890		$.validator.messages[name] = message != undefined ? message : $.validator.messages[name];
 891		if (method.length < 3) {
 892			$.validator.addClassRules(name, $.validator.normalizeRule(name));
 893		}
 894	},
 895
 896	methods: {
 897
 898		// http://docs.jquery.com/Plugins/Validation/Methods/required
 899		required: function(value, element, param) {
 900			// check if dependency is met
 901			if ( !this.depend(param, element) )
 902				return "dependency-mismatch";
 903			switch( element.nodeName.toLowerCase() ) {
 904			case 'select':
 905				// could be an array for select-multiple or a string, both are fine this way
 906				var val = $(element).val();
 907				return val && val.length > 0;
 908			case 'input':
 909				if ( this.checkable(element) )
 910					return this.getLength(value, element) > 0;
 911			default:
 912				return $.trim(value).length > 0;
 913			}
 914		},
 915		
 916		// http://docs.jquery.com/Plugins/Validation/Methods/remote
 917		remote: function(value, element, param) {
 918			if ( this.optional(element) )
 919				return "dependency-mismatch";
 920			
 921			var previous = this.previousValue(element);
 922			if (!this.settings.messages[element.name] )
 923				this.settings.messages[element.name] = {};
 924			previous.originalMessage = this.settings.messages[element.name].remote;
 925			this.settings.messages[element.name].remote = previous.message;
 926			
 927			param = typeof param == "string" && {url:param} || param; 
 928			
 929			if ( previous.old !== value ) {
 930				previous.old = value;
 931				var validator = this;
 932				this.startRequest(element);
 933				var data = {};
 934				data[element.name] = value;
 935				$.ajax($.extend(true, {
 936					url: param,
 937					mode: "abort",
 938					port: "validate" + element.name,
 939					dataType: "json",
 940					data: data,
 941					success: function(response) {
 942						validator.settings.messages[element.name].remote = previous.originalMessage;
 943						var valid = response === true;
 944						if ( valid ) {
 945							var submitted = validator.formSubmitted;
 946							validator.prepareElement(element);
 947							validator.formSubmitted = submitted;
 948							validator.successList.push(element);
 949							validator.showErrors();
 950						} else {
 951							var errors = {};
 952							var message = (previous.message = response || validator.defaultMessage( element, "remote" ));
 953							errors[element.name] = $.isFunction(message) ? message(value) : message;
 954							validator.showErrors(errors);
 955						}
 956						previous.valid = valid;
 957						validator.stopRequest(element, valid);
 958					}
 959				}, param));
 960				return "pending";
 961			} else if( this.pending[element.name] ) {
 962				return "pending";
 963			}
 964			return previous.valid;
 965		},
 966
 967		// http://docs.jquery.com/Plugins/Validation/Methods/minlength
 968		minlength: function(value, element, param) {
 969			return this.optional(element) || this.getLength($.trim(value), element) >= param;
 970		},
 971		
 972		// http://docs.jquery.com/Plugins/Validation/Methods/maxlength
 973		maxlength: function(value, element, param) {
 974			return this.optional(element) || this.getLength($.trim(value), element) <= param;
 975		},
 976		
 977		// http://docs.jquery.com/Plugins/Validation/Methods/rangelength
 978		rangelength: function(value, element, param) {
 979			var length = this.getLength($.trim(value), element);
 980			return this.optional(element) || ( length >= param[0] && length <= param[1] );
 981		},
 982		
 983		// http://docs.jquery.com/Plugins/Validation/Methods/min
 984		min: function( value, element, param ) {
 985			return this.optional(element) || value >= param;
 986		},
 987		
 988		// http://docs.jquery.com/Plugins/Validation/Methods/max
 989		max: function( value, element, param ) {
 990			return this.optional(element) || value <= param;
 991		},
 992		
 993		// http://docs.jquery.com/Plugins/Validation/Methods/range
 994		range: function( value, element, param ) {
 995			return this.optional(element) || ( value >= param[0] && value <= param[1] );
 996		},
 997		
 998		// http://docs.jquery.com/Plugins/Validation/Methods/email
 999		email: function(value, element) {
1000			// contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
1001			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);
1002		},
1003	
1004		// http://docs.jquery.com/Plugins/Validation/Methods/url
1005		url: function(value, element) {
1006			// contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/
1007			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})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);
1008		},
1009        
1010		// http://docs.jquery.com/Plugins/Validation/Methods/date
1011		date: function(value, element) {
1012			return this.optional(element) || !/Invalid|NaN/.test(new Date(value));
1013		},
1014	
1015		// http://docs.jquery.com/Plugins/Validation/Methods/dateISO
1016		dateISO: function(value, element) {
1017			return this.optional(element) || /^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(value);
1018		},
1019	
1020		// http://docs.jquery.com/Plugins/Validation/Methods/number
1021		number: function(value, element) {
1022			return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(value);
1023		},
1024	
1025		// http://docs.jquery.com/Plugins/Validation/Methods/digits
1026		digits: function(value, element) {
1027			return this.optional(element) || /^\d+$/.test(value);
1028		},
1029		
1030		// http://docs.jquery.com/Plugins/Validation/Methods/creditcard
1031		// based on http://en.wikipedia.org/wiki/Luhn
1032		creditcard: function(value, element) {
1033			if ( this.optional(element) )
1034				return "dependency-mismatch";
1035			// accept only digits and dashes
1036			if (/[^0-9-]+/.test(value))
1037				return false;
1038			var nCheck = 0,
1039				nDigit = 0,
1040				bEven = false;
1041
1042			value = value.replace(/\D/g, "");
1043
1044			for (var n = value.length - 1; n >= 0; n--) {
1045				var cDigit = value.charAt(n);
1046				var nDigit = parseInt(cDigit, 10);
1047				if (bEven) {
1048					if ((nDigit *= 2) > 9)
1049						nDigit -= 9;
1050				}
1051				nCheck += nDigit;
1052				bEven = !bEven;
1053			}
1054
1055			return (nCheck % 10) == 0;
1056		},
1057		
1058		// http://docs.jquery.com/Plugins/Validation/Methods/accept
1059		accept: function(value, element, param) {
1060			param = typeof param == "string" ? param.replace(/,/g, '|') : "png|jpe?g|gif";
1061			return this.optional(element) || value.match(new RegExp(".(" + param + ")$", "i")); 
1062		},
1063		
1064		// http://docs.jquery.com/Plugins/Validation/Methods/equalTo
1065		equalTo: function(value, element, param) {
1066			// bind to the blur event of the target in order to revalidate whenever the target field is updated
1067			// TODO find a way to bind the event just once, avoiding the unbind-rebind overhead
1068			var target = $(param).unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {
1069				$(element).valid();
1070			});
1071			return value == target.val();
1072		}
1073		
1074	}
1075	
1076});
1077
1078// deprecated, use $.validator.format instead
1079$.format = $.validator.format;
1080
1081})(jQuery);
1082
1083// ajax mode: abort
1084// usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
1085// if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort() 
1086;(function($) {
1087	var ajax = $.ajax;
1088	var pendingRequests = {};
1089	$.ajax = function(settings) {
1090		// create settings for compatibility with ajaxSetup
1091		settings = $.extend(settings, $.extend({}, $.ajaxSettings, settings));
1092		var port = settings.port;
1093		if (settings.mode == "abort") {
1094			if ( pendingRequests[port] ) {
1095				pendingRequests[port].abort();
1096			}
1097			return (pendingRequests[port] = ajax.apply(this, arguments));
1098		}
1099		return ajax.apply(this, arguments);
1100	};
1101})(jQuery);
1102
1103// provides cross-browser focusin and focusout events
1104// IE has native support, in other browsers, use event caputuring (neither bubbles)
1105
1106// provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
1107// handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target 
1108;(function($) {
1109	// only implement if not provided by jQuery core (since 1.4)
1110	// TODO verify if jQuery 1.4's implementation is compatible with older jQuery special-event APIs
1111	if (!jQuery.event.special.focusin && !jQuery.event.special.focusout && document.addEventListener) {
1112		$.each({
1113			focus: 'focusin',
1114			blur: 'focusout'	
1115		}, function( original, fix ){
1116			$.event.special[fix] = {
1117				setup:function() {
1118					this.addEventListener( original, handler, true );
1119				},
1120				teardown:function() {
1121					this.removeEventListener( original, handler, true );
1122				},
1123				handler: function(e) {
1124					arguments[0] = $.event.fix(e);
1125					arguments[0].type = fix;
1126					return $.event.handle.apply(this, arguments);
1127				}
1128			};
1129			function handler(e) {
1130				e = $.event.fix(e);
1131				e.type = fix;
1132				return $.event.handle.call(this, e);
1133			}
1134		});
1135	};
1136	$.extend($.fn, {
1137		validateDelegate: function(delegate, type, handler) {
1138			return this.bind(type, function(event) {
1139				var target = $(event.target);
1140				if (target.is(delegate)) {
1141					return handler.apply(target, arguments);
1142				}
1143			});
1144		}
1145	});
1146})(jQuery);