/*
/*
 * jQuery validation plug-in 1.4
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
 * http://docs.jquery.com/Plugins/Validation
 *
 * Copyright (c) 2006 - 2008 Jörn Zaefferer
 *
 * $Id: jquery.validate.js 5809 2008-08-07 16:58:23Z joern.zaefferer $
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * -- Support for validation groups added by Poligon Interactive.
 *
 */
 
 (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;
        }
               
        var valgroup = options.valgroup || "default";
               
        // check if a validator for this form was already created
        var validator = $.data(this[0], 'validator');
        if ( validator ) {
            if (validator.settings.byvalgroup && 
                validator.settings.byvalgroup[valgroup])        
                return validator;
                       
            var s = validator.settings;
            var o = options;                
            
            s.debug = s.debug || o.debug;
            s.onsubmit = s.onsubmit || o.onsubmit;           
            
            // extend
            s.rules = $.extend({}, s.rules, o.rules);
            s.messages = $.extend({}, s.messages, o.messages);
            s.groups = $.extend({}, s.groups, o.groups);
                      
            // concat
            if (o.ignore && o.ignore.length > 0)
            {      
                if (!s.ignore || !s.ignore.length)
                    s.ignore = o.ignore;
                else if (s.ignore != o.ignore)
                    s.ignore = s.ignore + ", " + o.ignore;
            }
            
            // check these for byvalgroup application?
            s.focusInvalid = s.focusInvalid || o.focusInvalid; // ?
            s.focusCleanup = s.focusCleanup || o.focusCleanup; // ?
            s.errorClass = s.errorClass || o.errorClass; // ?
            s.errorElement = s.errorElement || o.errorElement; // ?
            s.wrapper = s.wrapper || o.wrapper; // ?
            
            // not sure about these yet!
            s.errorLabelContainer = s.errorLabelContainer.add(o.errorLabelContainer);
            s.errorContainer = s.errorContainer.add(o.errorContainer);
                         
            // will move these to byvalgroup in valgroupInitSettings
            s.errorPlacement = o.errorPlacement;
            s.submitHandler = o.submitHandler;
            s.abortHandler = o.abortHandler;
            s.success = o.success;
            s.meta = o.meta;
            s.highlight = o.highlight || $.validator.defaults.highlight;
            s.unhighlight = o.unhighlight || $.validator.defaults.unhighlight;
            s.onchange = o.onchange || $.validator.defaults.onchange;
            s.onfocusout = o.onfocusout || $.validator.defaults.onfocusout;
            s.onkeyup = o.onkeyup || $.validator.defaults.onkeyup;
            s.onclick = o.onclick || $.validator.defaults.onclick;
            s.showErrors = o.showErrors;
            
            // reinit groups, rules, byvalgroup settings
            s.valgroup = o.valgroup;
            validator.reinit();
            
            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;
            });
        
            // 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() {
                    var vgs = validator.valgroupSettings();
                    if ( vgs.submitHandler ) {
                        vgs.submitHandler.call( validator, validator.currentForm );
                        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 {
                    var vgs = validator.valgroupSettings();
                    if (vgs.abortHandler)
                        vgs.abortHandler();
                    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 = false;
            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() {
            result[this] = $element.attr(this);
            $element.removeAttr(this);
        });
        return result;
    },
    // http://docs.jquery.com/Plugins/Validation/rules
    rules: function(command, argument) {
        var element = this[0];
        
        if (command) {
            var staticRules = $.data(element.form, 'validator').settings.rules;
            var existingRules = $.validator.staticRules(element);
            switch(command) {
            case "add":
                $.extend(existingRules, $.validator.normalizeRule(argument));
                staticRules[element.name] = existingRules;
                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;
    },
    // destructive add
    push: function( t ) {
        return this.setArray( this.add(t).get() );
    }
});

// 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;}
});


$.format = function(source, params) {
    if ( arguments.length == 1 ) 
        return function() {
            var args = $.makeArray(arguments);
            args.unshift(source);
            return $.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;
};

// constructor for validator
$.validator = function( options, form ) {
    this.settings = $.extend( {}, $.validator.defaults, options );
    this.currentForm = form;
    this.init();
};

$.extend($.validator, {

    defaults: {
        messages: {},
        groups: {},
        rules: {},
        errorClass: "error",
        errorElement: "label",
        focusInvalid: true,
        errorContainer: $( [] ),
        errorLabelContainer: $( [] ),
        onsubmit: true,
        ignore: "",
        ignoreTitle: true,
        onfocusin: function(element) {
            this.lastActive = element;
            
            if (jQuery(element).hasClass("ignore"))
                return;           
            
            var vgs = this.valgroupSettings(element);
                       
            // hide error label and remove error class on focus if enabled
            if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {
                vgs.unhighlight && vgs.unhighlight.call( this, element, this.settings.errorClass );
                this.errorsFor(element).hide();
            }
        },
        onchange: function(element) {
            if (jQuery(element).hasClass("ignore"))
                return;
        
            this.changedElement = element;
        },
        onfocusout: function(element) {
            if (jQuery(element).hasClass("ignore"))
                return;
        
            if (this.changedElement == element || (!this.checkable(element) && (element.name in this.submitted || !this.optional(element))) ) {
                this.element(element);
                this.changedElement = null;
            }
        },
        onkeyup: function(element) {
            if (jQuery(element).hasClass("ignore"))
                return;
                
            if ( element.name in this.submitted || element == this.lastElement ) {
                this.element(element);
            }
        },
        onclick: function(element) {
            if (jQuery(element).hasClass("ignore"))
                return;

            if (this.checkable(element) || element.name in this.submitted )
                this.element(element);
        },
        highlight: function( element, errorClass ) {
            $( element ).addClass( errorClass );
        },
        unhighlight: function( element, errorClass ) {
            $( element ).removeClass( errorClass );
        }
    },

    // http://docs.jquery.com/Plugins/Validation/Validator/setDefaults
    setDefaults: function(settings) {
        $.extend( $.validator.defaults, settings );
    },
    
    parseValGroup: function(className) {
        var result = null;
        if (className)
        {
            $.each(className.toString().split(/\s+/), function (i, n) {
                if (n.indexOf('valgroup-') == 0) {
                    result = n.substr(9);
                    return false;
                }
            });
        }
        return result;
    },
        
    findValGroup: function(element) {
        var el = $(element)[0];
        
        var valgroup = $.data(el, 'valgroup');
        if (!valgroup)
        {       
            var valgroup = $.validator.parseValGroup(el.className);
            if (!valgroup) {
                $(el).parents().each(function(i, n) {
                    valgroup = $.validator.parseValGroup(n.className);
                    if (valgroup) {
                        return false;
                    }
                });
            }
            valgroup = valgroup || 'default';
            $.data(el, 'valgroup', valgroup);
        }
        return valgroup;
    },

    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).",
        dateDE: "Bitte geben Sie ein gültiges Datum ein.",
        number: "Please enter a valid number.",
        numberDE: "Bitte geben Sie eine Nummer ein.",
        digits: "Please enter only digits",
        creditcard: "Please enter a valid credit card.",
        equalTo: "Please enter the same value again.",
        accept: "Please enter a value with a valid extension.",
        maxlength: $.format("Please enter no more than {0} characters."),
        minlength: $.format("Please enter at least {0} characters."),
        rangelength: $.format("Please enter a value between {0} and {1} characters long."),
        range: $.format("Please enter a value between {0} and {1}."),
        max: $.format("Please enter a value less than or equal to {0}."),
        min: $.format("Please enter a value greater than or equal to {0}.")
    },
    
    autoCreateRanges: false,
    
    prototype: {
        
        init: function() {
            this.submitted = {};
            this.valueCache = {};
            this.pendingRequest = 0;
            this.pending = {};
            this.invalid = {};
            
            this.reinit();           
            this.reset();                                      
            
            function changeDelegate(event) {
                var validator = $.data(this.form, "validator");
                var vgs = validator.valgroupSettings(this);
                vgs["on" + event.type] && vgs["on" + event.type].call(validator, this);
            }
            
            function delegate(event) {
                if (event.type == 'focusin')
                {
                    var el = this[0];
                    if (!$.data(el, 'changebound'))
                    {
                        $(el).change(changeDelegate);
                        $.data(el, 'changebound', true);
                    }
                }
                var validator = $.data(this[0].form, "validator");
                var vgs = validator.valgroupSettings(this[0]);
                vgs["on" + event.type] && vgs["on" + event.type].call(validator, this[0]);
            }
                       
            $(this.currentForm)
                .delegate("focusin focusout keyup", ":text, :password, :file, select, textarea", delegate)
                .delegate("click", ":radio, :checkbox", delegate);
        },
               
        reinit: function() {
            this.labelContainer = $(this.settings.errorLabelContainer);
            this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
            this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );
        
            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);
            });
            this.valgroupInitSettings();
        },
       
        valgroupSettings: function(valgroup) {
            if (valgroup && typeof valgroup != "string")
                valgroup = $.validator.findValGroup(valgroup);
            valgroup = valgroup || this.valgroup || "default";
            var v = this.settings.byvalgroup[valgroup];
            if (!v) 
                return {};
            else
                return v;                
        },
        
        valgroupInitSettings: function() {
            var s = this.settings;
            var valgroup = s.valgroup || "default";
            delete s.valgroup;
            
            if (!s.byvalgroup)
                s.byvalgroup = {};
                
            if (s.byvalgroup[valgroup])
                return;
            
            var g = (s.byvalgroup[valgroup] = {});
            
            if (s.submitHandler) {
                g.submitHandler = s.submitHandler;
                delete s.submitHandler;
            }
            
            if (s.abortHandler) {
                g.abortHandler = s.abortHandler;
                delete s.abortHandler;
            }
                       
            if (s.errorPlacement) {
                g.errorPlacement = s.errorPlacement;
                delete s.errorPlacement;
            }
            
            if (s.success) {
                g.success = s.success;
                delete s.success;
            }           
            
            if (s.meta) {
                g.meta = s.meta;
                delete s.meta;
            }
            
            if (s.onchange) {
                g.onchange = s.onchange;
                delete s.onchange;
            }
            
            if (s.onkeyup) {
                g.onkeyup = s.onkeyup;
                delete s.onkeyup;
            }
            
            if (s.onfocusout) {
                g.onfocusout = s.onfocusout;
                delete s.onfocusout;
            }
            
            if (s.onclick) {
                g.onclick = s.onclick;
                delete s.onclick;
            }
            
            if (s.showErrors) {
                g.showErrors = s.showErrors;
                delete s.showErrors;
            }
        },

        // 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.validate", [this]);
            this.showErrors();
            return this.valid();
        },
        
        checkForm: function() {
            this.checkingForm = (this.checkingForm || 0) + 1;
            try {
                this.prepareForm();
                for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {
                    this.check( elements[i] );
                }
                return this.valid(); 
            } finally {
                this.checkingForm = this.checkingForm - 1;
            }
        },
        
        // 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.push( 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);
                });
            }
            
            for (var vgs in this.settings.byvalgroup)
                if (vgs.showErrors)
                    vgs.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();
                } 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], .ignore")
            .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.formSubmitted = false;
            this.currentElements = $([]);
        },
        
        prepareForm: function() {
            this.reset();
            this.toHide = this.errors().push( this.containers );
        },
        
        prepareElement: function( element ) {
            this.reset();
            this.toHide = this.errorsFor(element);
        },
    
        check: function( element ) {
            if (this.checkingForm) {
                var valgroup = $.validator.findValGroup(element);
                if (valgroup != this.valgroup)
                    return;
            }      
        
            element = this.clean( element );
            
            // if radio/checkbox, validate first element in group instead
            if (this.checkable(element)) {
                element = this.findByName( element.name )[0];
            }
            
            var rules = $(element).rules();
            var dependencyMismatch = false;
            for( method in rules ) {
                var rule = { method: method, parameters: rules[method] };
                try {
                    var result = $.validator.methods[method].call( this, $.trim(element.value), 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");
                    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 vgs = this.valgroupSettings(element);           
            var meta = vgs.meta
                ? $(element).metadata()[vgs.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 );
            if ( typeof message == "function" ) 
                message = message.call(this, rule.parameters, element);
            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.push( toToggle.parents( this.settings.wrapper ) );
            return toToggle;
        },
        
        defaultShowErrors: function() {
            for ( var i = 0; this.errorList[i]; i++ ) {
                var error = this.errorList[i];
                var vgs = this.valgroupSettings(error.element);
                vgs.highlight && vgs.highlight.call( this, error.element, this.settings.errorClass );
                this.showLabel( error.element, error.message );
            }
            if( this.errorList.length ) {
                this.toShow.push( this.containers );
            }
            for ( var i = 0; this.successList[i]; i++ ) {
                var vgs = this.valgroupSettings(this.successList[i]);
                if (vgs.success) {
                    this.showLabel( this.successList[i] );
                }
            }
            for ( var i = 0, elements = this.validElements(); elements[i]; i++ ) {
                var vgs = this.valgroupSettings(elements[i]);
                if (vgs.unhighlight)
                    vgs.unhighlight.call( this, elements[i], this.settings.errorClass );
            }
            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 vgs = this.valgroupSettings(element);
        
            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 )
                {                   
                    vgs.errorPlacement
                        ? vgs.errorPlacement(label, $(element) )
                        : label.insertAfter(element);
                }
            }       
            
            if ( !message && vgs.success ) {
                label.text("");
                typeof vgs.success == "string"
                    ? label.addClass( vgs.success )
                    : vgs.success( label );
            }
            this.toShow.push(label);
        },
        
        errorsFor: function(element) {
            return this.errors().filter("[@for='" + this.idOrName(element) + "']");
        },
        
        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) {
            var hadPendingRequest = this.pendingRequest > 0;
            this.pendingRequest--;
            // sometimes synchronization fails, make 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();
            }
            else if (!valid || (hadPendingRequest && this.formSubmitted && this.pendingRequest == 0))
            {
                var vgs = this.valgroupSettings(element);
                if (vgs.abortHandler)
                {
                    vgs.abortHandler();
                }
            }
        },
        
        previousValue: function(element) {
            return $.data(element, "previousValue") || $.data(element, "previousValue", previous = {
                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 (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').valgroupSettings(element).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;
        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':
                var options = $("option:selected", element);
                return options.length > 0 && ( element.type == "select-multiple" || ($.browser.msie && !(options[0].attributes['value'].specified) ? options[0].text : options[0].value).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] = {};
            this.settings.messages[element.name].remote = typeof previous.message == "function" ? previous.message(value) : previous.message;
                       
            if ( previous.old !== value ) {
                var validator = this;
                
                var ajaxRequest = function() {
                    previous.old = value;
                    if (!validator.remoteRequestCount)
                        validator.remoteRequestCount = 0;
                    validator.remoteRequestCount++;
                    validator.startRequest(element);
                    var data = {};
                    data[element.name] = value;
                    $.ajax({
                        url: param,
                        mode: "abort",
                        port: "validate" + element.name,
                        cache: false,
                        dataType: "json",
                        data: data,
                        success: function(response) {
                            if ( !response ) {
                                var errors = {};
                                errors[element.name] =  response || validator.defaultMessage( element, "remote" );
                                validator.showErrors(errors);
                            } else {
                                var submitted = validator.formSubmitted;
                                validator.prepareElement(element);
                                validator.formSubmitted = submitted;
                                validator.successList.push(element);
                                validator.showErrors();
                            }
                            previous.valid = response;
                            validator.stopRequest(element, response);
                        }
                    });
                };
                
                
                var timeout = $.data(element, "remoteTimeout");
                if (this.checkingForm)
                {
                    if (timeout)
                        clearTimeout(timeout);
                    $.data(element, "remoteTimeout", 0);
                    $.data(element, "remoteWillCheck", null);
                    ajaxRequest();
                }
                else 
                {
                    if (timeout)
                    {
                        var willCheck = $.data(element, "remoteWillCheck");
                        if (willCheck !== value)
                        {
                            clearTimeout(timeout);
                            timeout = 0;
                        }
                    }
                    if (!timeout)
                    {
                        $.data(element, "remoteWillCheck", value);
                        $.data(element, "remoteTimeout", setTimeout(ajaxRequest, 2000));
                    }
                }
                
                return "pending";
            } else if( this.pending[element.name] ) {
                return "pending";
            }
            return previous.valid;
        },

        // http://docs.jquery.com/Plugins/Validation/Methods/minlength
        minlength: function(value, element, param) {
            return this.optional(element) || this.getLength(value, element) >= param;
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/maxlength
        maxlength: function(value, element, param) {
            return this.optional(element) || this.getLength(value, element) <= param;
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/rangelength
        rangelength: function(value, element, param) {
            var length = this.getLength(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/dateDE
        dateDE: function(value, element) {
            return this.optional(element) || /^\d\d?\.\d\d?\.\d\d\d?\d?$/.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/numberDE
        numberDE: 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 (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 : "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) {
            return value == $(param).val();
        }
        
    }
    
});

})(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 ajax = $.ajax;
    var pendingRequests = {};
    $.ajax = function(settings) {
        // create settings for compatibility with ajaxSetup
        settings = $.extend(settings, $.extend({}, $.ajaxSettings, settings));
        var port = settings.port;
        if (settings.mode == "abort") {
            if ( pendingRequests[port] ) {
                pendingRequests[port].abort();
            }
            return (pendingRequests[port] = ajax.apply(this, arguments));
        }
        return ajax.apply(this, arguments);
    };
    $.ajaxAbort = function(port) {
        if (pendingRequests[port])
            pendingRequests[port].abort();
    };
    $.ajaxRemoteAbort = function(element) {
        if (element && element.name && element.name.length) {
            /*var port = "validate" + element.name;
            if (pendingRequests[port]) {
                pendingRequests[port].abort();
                if (element.form) {
                    var validator = $.data(element.form, 'validator');
                    if (validator) {
                        validator.stopRequest(element, false);
                    }
                }
            }*/
            var t = $.data(element, 'remoteTimeout');
            clearTimeout(t);
            $.data(element, "remoteTimeout", 0);
            $.data(element, "remoteWillCheck", null);
        }
    };
})(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 

// provides triggerEvent(type: String, target: Element) to trigger delegated events
;(function($) {
    $.each({
        focus: 'focusin',
        blur: 'focusout'    
    }, function( original, fix ){
        $.event.special[fix] = {
            setup:function() {
                if ( $.browser.msie ) return false;
                this.addEventListener( original, $.event.special[fix].handler, true );
            },
            teardown:function() {
                if ( $.browser.msie ) return false;
                this.removeEventListener( original,
                $.event.special[fix].handler, true );
            },
            handler: function(e) {
                arguments[0] = $.event.fix(e);
                arguments[0].type = fix;
                return $.event.handle.apply(this, arguments);
            }
        };
    });
    $.extend($.fn, {
        delegate: function(type, delegate, handler) {
            return this.bind(type, function(event) {
                var target = $(event.target);
                if (target.is(delegate)) {
                    return handler.apply(target, arguments);
                }
            });
        },
        triggerEvent: function(type, target) {
            return this.triggerHandler(type, [$.event.fix({ type: type, target: target })]);
        }
    })
})(jQuery);