/*
 * jQuery validation plug-in 1.7
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
 * http://docs.jquery.com/Plugins/Validation
 *
 * Copyright (c) 2006 - 2008 Jörn Zaefferer
 *
 * $Id: jquery.validate.js 6403 2009-06-17 14:27:16Z 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
 */

(function($) {

$.extend($.fn, {
     // http://docs.jquery.com/Plugins/Validation/validate
     validate: function( options ) {

          // if nothing is selected, return nothing; can't chain anyway
          if (!this.length) {
               options && options.debug && window.console && console.warn( "nothing selected, can't validate, returning nothing" );
               return;
          }

          // check if a validator for this form was already created
          var validator = $.data(this[0], 'validator');
          if ( validator ) {
               return validator;
          }
          
          validator = new $.validator( options, this[0] );
          $.data(this[0], 'validator', validator); 
          
          if ( validator.settings.onsubmit ) {
          
               // allow suppresing validation by adding a cancel class to the submit button
               this.find("input, button").filter(".cancel").click(function() {
                    validator.cancelSubmit = true;
               });
               
               // when a submitHandler is used, capture the submitting button
               if (validator.settings.submitHandler) {
                    this.find("input, button").filter(":submit").click(function() {
                         validator.submitButton = this;
                    });
               }
          
               // validate the form on submit
               this.submit( function( event ) {
                    if ( validator.settings.debug )
                         // prevent form submit to be able to see console output
                         event.preventDefault();
                         
                    function handle() {
                         if ( validator.settings.submitHandler ) {
                              if (validator.submitButton) {
                                   // insert a hidden input as a replacement for the missing submit button
                                   var hidden = $("<input type='hidden'/>").attr("name", validator.submitButton.name).val(validator.submitButton.value).appendTo(validator.currentForm);
                              }
                              validator.settings.submitHandler.call( validator, validator.currentForm );
                              if (validator.submitButton) {
                                   // and clean up afterwards; thanks to no-block-scope, hidden can be referenced
                                   hidden.remove();
                              }
                              return false;
                         }
                         return true;
                    }
                         
                    // prevent submit for invalid forms or custom submit handlers
                    if ( validator.cancelSubmit ) {
                         validator.cancelSubmit = false;
                         return handle();
                    }
                    if ( validator.form() ) {
                         if ( validator.pendingRequest ) {
                              validator.formSubmitted = true;
                              return false;
                         }
                         return handle();
                    } else {
                         validator.focusInvalid();
                         return false;
                    }
               });
          }
          
          return validator;
     },
     // http://docs.jquery.com/Plugins/Validation/valid
     valid: function() {
        if ( $(this[0]).is('form')) {
            return this.validate().form();
        } else {
            var valid = true;
            var validator = $(this[0].form).validate();
            this.each(function() {
                    valid &= validator.element(this);
            });
            return valid;
        }
    },
     // attributes: space seperated list of attributes to retrieve and remove
     removeAttrs: function(attributes) {
          var result = {},
               $element = this;
          $.each(attributes.split(/\s/), function(index, value) {
               result[value] = $element.attr(value);
               $element.removeAttr(value);
          });
          return result;
     },
     // http://docs.jquery.com/Plugins/Validation/rules
     rules: function(command, argument) {
          var element = this[0];
          
          if (command) {
               var settings = $.data(element.form, 'validator').settings;
               var staticRules = settings.rules;
               var existingRules = $.validator.staticRules(element);
               switch(command) {
               case "add":
                    $.extend(existingRules, $.validator.normalizeRule(argument));
                    staticRules[element.name] = existingRules;
                    if (argument.messages)
                         settings.messages[element.name] = $.extend( settings.messages[element.name], argument.messages );
                    break;
               case "remove":
                    if (!argument) {
                         delete staticRules[element.name];
                         return existingRules;
                    }
                    var filtered = {};
                    $.each(argument.split(/\s/), function(index, method) {
                         filtered[method] = existingRules[method];
                         delete existingRules[method];
                    });
                    return filtered;
               }
          }
          
          var data = $.validator.normalizeRules(
          $.extend(
               {},
               $.validator.metadataRules(element),
               $.validator.classRules(element),
               $.validator.attributeRules(element),
               $.validator.staticRules(element)
          ), element);
          
          // make sure required is at front
          if (data.required) {
               var param = data.required;
               delete data.required;
               data = $.extend({required: param}, data);
          }
          
          return data;
     }
});

// Custom selectors
$.extend($.expr[":"], {
     // http://docs.jquery.com/Plugins/Validation/blank
     blank: function(a) {return !$.trim("" + a.value);},
     // http://docs.jquery.com/Plugins/Validation/filled
     filled: function(a) {return !!$.trim("" + a.value);},
     // http://docs.jquery.com/Plugins/Validation/unchecked
     unchecked: function(a) {return !a.checked;}
});

// constructor for validator
$.validator = function( options, form ) {
     this.settings = $.extend( true, {}, $.validator.defaults, options );
     this.currentForm = form;
     this.init();
};

$.validator.format = function(source, params) {
     if ( arguments.length == 1 ) 
          return function() {
               var args = $.makeArray(arguments);
               args.unshift(source);
               return $.validator.format.apply( this, args );
          };
     if ( arguments.length > 2 && params.constructor != Array  ) {
          params = $.makeArray(arguments).slice(1);
     }
     if ( params.constructor != Array ) {
          params = [ params ];
     }
     $.each(params, function(i, n) {
          source = source.replace(new RegExp("\\{" + i + "\\}", "g"), n);
     });
     return source;
};

$.extend($.validator, {
     
     defaults: {
          messages: {},
          groups: {},
          rules: {},
          errorClass: "error",
          validClass: "valid",
          errorElement: "label",
          focusInvalid: true,
          errorContainer: $( [] ),
          errorLabelContainer: $( [] ),
          onsubmit: true,
          ignore: [],
          ignoreTitle: false,
          onfocusin: function(element) {
               this.lastActive = element;
                    
               // hide error label and remove error class on focus if enabled
               if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {
                    this.settings.unhighlight && this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
                    this.errorsFor(element).hide();
               }
          },
          onfocusout: function(element) {
               if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {
                    this.element(element);
               }
          },
          onkeyup: function(element) {
               if ( element.name in this.submitted || element == this.lastElement ) {
                    this.element(element);
               }
          },
          onclick: function(element) {
               // click on selects, radiobuttons and checkboxes
               if ( element.name in this.submitted )
                    this.element(element);
               // or option elements, check parent select in that case
               else if (element.parentNode.name in this.submitted)
                    this.element(element.parentNode);
          },
          highlight: function( element, errorClass, validClass ) {
               $(element).addClass(errorClass).removeClass(validClass);
          },
          unhighlight: function( element, errorClass, validClass ) {
               $(element).removeClass(errorClass).addClass(validClass);
          }
     },

     // http://docs.jquery.com/Plugins/Validation/Validator/setDefaults
     setDefaults: function(settings) {
          $.extend( $.validator.defaults, settings );
     },

     messages: {
          required: "Prosz&#281; wprowadzi&#263; dat&#281;.",
          remote: "Please fix this field.",
          email: "Please enter a valid email address.",
          url: "Please enter a valid URL.",
          date: "Please enter a valid date.",
          dateISO: "Please enter a valid date (ISO).",
          number: "Please enter a valid number.",
          digits: "Please enter only digits.",
          creditcard: "Please enter a valid credit card number.",
          equalTo: "Please enter the same value again.",
          accept: "Please enter a value with a valid extension.",
          maxlength: $.validator.format("Please enter no more than {0} characters."),
          minlength: $.validator.format("Please enter at least {0} characters."),
          rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),
          range: $.validator.format("Please enter a value between {0} and {1}."),
          max: $.validator.format("Please enter a value less than or equal to {0}."),
          min: $.validator.format("Please enter a value greater than or equal to {0}.")
     },
     
     autoCreateRanges: false,
     
     prototype: {
          
          init: function() {
               this.labelContainer = $(this.settings.errorLabelContainer);
               this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
               this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );
               this.submitted = {};
               this.valueCache = {};
               this.pendingRequest = 0;
               this.pending = {};
               this.invalid = {};
               this.reset();
               
               var groups = (this.groups = {});
               $.each(this.settings.groups, function(key, value) {
                    $.each(value.split(/\s/), function(index, name) {
                         groups[name] = key;
                    });
               });
               var rules = this.settings.rules;
               $.each(rules, function(key, value) {
                    rules[key] = $.validator.normalizeRule(value);
               });
               
               function delegate(event) {
                    var validator = $.data(this[0].form, "validator"),
                         eventType = "on" + event.type.replace(/^validate/, "");
                    validator.settings[eventType] && validator.settings[eventType].call(validator, this[0] );
               }
               $(this.currentForm)
                    .validateDelegate(":text, :password, :file, select, textarea", "focusin focusout keyup", delegate)
                    .validateDelegate(":radio, :checkbox, select, option", "click", delegate);

               if (this.settings.invalidHandler)
                    $(this.currentForm).bind("invalid-form.validate", this.settings.invalidHandler);
          },

          // http://docs.jquery.com/Plugins/Validation/Validator/form
          form: function() {
               this.checkForm();
               $.extend(this.submitted, this.errorMap);
               this.invalid = $.extend({}, this.errorMap);
               if (!this.valid())
                    $(this.currentForm).triggerHandler("invalid-form", [this]);
               this.showErrors();
               return this.valid();
          },
          
          checkForm: function() {
               this.prepareForm();
               for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {
                    this.check( elements[i] );
               }
               return this.valid(); 
          },
          
          // http://docs.jquery.com/Plugins/Validation/Validator/element
          element: function( element ) {
               element = this.clean( element );
               this.lastElement = element;
               this.prepareElement( element );
               this.currentElements = $(element);
               var result = this.check( element );
               if ( result ) {
                    delete this.invalid[element.name];
               } else {
                    this.invalid[element.name] = true;
               }
               if ( !this.numberOfInvalids() ) {
                    // Hide error containers on last error
                    this.toHide = this.toHide.add( this.containers );
               }
               this.showErrors();
               return result;
          },

          // http://docs.jquery.com/Plugins/Validation/Validator/showErrors
          showErrors: function(errors) {
               if(errors) {
                    // add items to error list and map
                    $.extend( this.errorMap, errors );
                    this.errorList = [];
                    for ( var name in errors ) {
                         this.errorList.push({
                              message: errors[name],
                              element: this.findByName(name)[0]
                         });
                    }
                    // remove items from success list
                    this.successList = $.grep( this.successList, function(element) {
                         return !(element.name in errors);
                    });
               }
               this.settings.showErrors
                    ? this.settings.showErrors.call( this, this.errorMap, this.errorList )
                    : this.defaultShowErrors();
          },
          
          // http://docs.jquery.com/Plugins/Validation/Validator/resetForm
          resetForm: function() {
               if ( $.fn.resetForm )
                    $( this.currentForm ).resetForm();
               this.submitted = {};
               this.prepareForm();
               this.hideErrors();
               this.elements().removeClass( this.settings.errorClass );
          },
          
          numberOfInvalids: function() {
               return this.objectLength(this.invalid);
          },
          
          objectLength: function( obj ) {
               var count = 0;
               for ( var i in obj )
                    count++;
               return count;
          },
          
          hideErrors: function() {
               this.addWrapper( this.toHide ).hide();
          },
          
          valid: function() {
               return this.size() == 0;
          },
          
          size: function() {
               return this.errorList.length;
          },
          
          focusInvalid: function() {
               if( this.settings.focusInvalid ) {
                    try {
                         $(this.findLastActive() || this.errorList.length && this.errorList[0].element || [])
                         .filter(":visible")
                         .focus()
                         // manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
                         .trigger("focusin");
                    } catch(e) {
                         // ignore IE throwing errors when focusing hidden elements
                    }
               }
          },
          
          findLastActive: function() {
               var lastActive = this.lastActive;
               return lastActive && $.grep(this.errorList, function(n) {
                    return n.element.name == lastActive.name;
               }).length == 1 && lastActive;
          },
          
          elements: function() {
               var validator = this,
                    rulesCache = {};
               
               // select all valid inputs inside the form (no submit or reset buttons)
               // workaround $Query([]).add until http://dev.jquery.com/ticket/2114 is solved
               return $([]).add(this.currentForm.elements)
               .filter(":input")
               .not(":submit, :reset, :image, [disabled]")
               .not( this.settings.ignore )
               .filter(function() {
                    !this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);
               
                    // select only the first element for each name, and only those with rules specified
                    if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )
                         return false;
                    
                    rulesCache[this.name] = true;
                    return true;
               });
          },
          
          clean: function( selector ) {
               return $( selector )[0];
          },
          
          errors: function() {
               return $( this.settings.errorElement + "." + this.settings.errorClass, this.errorContext );
          },
          
          reset: function() {
               this.successList = [];
               this.errorList = [];
               this.errorMap = {};
               this.toShow = $([]);
               this.toHide = $([]);
               this.currentElements = $([]);
          },
          
          prepareForm: function() {
               this.reset();
               this.toHide = this.errors().add( this.containers );
          },
          
          prepareElement: function( element ) {
               this.reset();
               this.toHide = this.errorsFor(element);
          },
     
          check: function( element ) {
               element = this.clean( element );
               
               // if radio/checkbox, validate first element in group instead
               if (this.checkable(element)) {
                    element = this.findByName( element.name )[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, element.value.replace(/\r/g, ""), element, rule.parameters );
                         
                         // if a method indicates that the field is optional and therefore valid,
                         // don't mark it as valid when there are no other rules
                         if ( result == "dependency-mismatch" ) {
                              dependencyMismatch = true;
                              continue;
                         }
                         dependencyMismatch = false;
                         
                         if ( result == "pending" ) {
                              this.toHide = this.toHide.not( this.errorsFor(element) );
                              return;
                         }
                         
                         if( !result ) {
                              this.formatAndAdd( element, rule );
                              return false;
                         }
                    } catch(e) {
                         this.settings.debug && window.console && console.log("exception occured when checking element " + element.id
                               + ", check the '" + rule.method + "' method", e);
                         throw e;
                    }
               }
               if (dependencyMismatch)
                    return;
               if ( this.objectLength(rules) )
                    this.successList.push(element);
               return true;
          },
          
          // return the custom message for the given element and validation method
          // specified in the element's "messages" metadata
          customMetaMessage: function(element, method) {
               if (!$.metadata)
                    return;
               
               var meta = this.settings.meta
                    ? $(element).metadata()[this.settings.meta]
                    : $(element).metadata();
               
               return meta && meta.messages && meta.messages[method];
          },
          
          // return the custom message for the given element name and validation method
          customMessage: function( name, method ) {
               var m = this.settings.messages[name];
               return m && (m.constructor == String
                    ? m
                    : m[method]);
          },
          
          // return the first defined argument, allowing empty strings
          findDefined: function() {
               for(var i = 0; i < arguments.length; i++) {
                    if (arguments[i] !== undefined)
                         return arguments[i];
               }
               return undefined;
          },
          
          defaultMessage: function( element, method) {
               return this.findDefined(
                    this.customMessage( element.name, method ),
                    this.customMetaMessage( element, method ),
                    // title is never undefined, so handle empty string as undefined
                    !this.settings.ignoreTitle && element.title || undefined,
                    $.validator.messages[method],
                    "<strong>Warning: No message defined for " + element.name + "</strong>"
               );
          },
          
          formatAndAdd: function( element, rule ) {
               var message = this.defaultMessage( element, rule.method ),
                    theregex = /\$?\{(\d+)\}/g;
               if ( typeof message == "function" ) {
                    message = message.call(this, rule.parameters, element);
               } else if (theregex.test(message)) {
                    message = jQuery.format(message.replace(theregex, '{$1}'), rule.parameters);
               }               
               this.errorList.push({
                    message: message,
                    element: element
               });
               
               this.errorMap[element.name] = message;
               this.submitted[element.name] = message;
          },
          
          addWrapper: function(toToggle) {
               if ( this.settings.wrapper )
                    toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
               return toToggle;
          },
          
          defaultShowErrors: function() {
               for ( var i = 0; this.errorList[i]; i++ ) {
                    var error = this.errorList[i];
                    this.settings.highlight && this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
                    this.showLabel( error.element, error.message );
               }
               if( this.errorList.length ) {
                    this.toShow = this.toShow.add( this.containers );
               }
               if (this.settings.success) {
                    for ( var i = 0; this.successList[i]; i++ ) {
                         this.showLabel( this.successList[i] );
                    }
               }
               if (this.settings.unhighlight) {
                    for ( var i = 0, elements = this.validElements(); elements[i]; i++ ) {
                         this.settings.unhighlight.call( this, elements[i], this.settings.errorClass, this.settings.validClass );
                    }
               }
               this.toHide = this.toHide.not( this.toShow );
               this.hideErrors();
               this.addWrapper( this.toShow ).show();
          },
          
          validElements: function() {
               return this.currentElements.not(this.invalidElements());
          },
          
          invalidElements: function() {
               return $(this.errorList).map(function() {
                    return this.element;
               });
          },
          
          showLabel: function(element, message) {
               var label = this.errorsFor( element );
               if ( label.length ) {
                    // refresh error/success class
                    label.removeClass().addClass( this.settings.errorClass );
               
                    // check if we have a generated label, replace the message then
                    label.attr("generated") && label.html(message);
               } else {
                    // create label
                    label = $("<" + this.settings.errorElement + "/>")
                         .attr({"for":  this.idOrName(element), generated: true})
                         .addClass(this.settings.errorClass)
                         .html(message || "");
                    if ( this.settings.wrapper ) {
                         // make sure the element is visible, even in IE
                         // actually showing the wrapped element is handled elsewhere
                         label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
                    }
                    if ( !this.labelContainer.append(label).length )
                         this.settings.errorPlacement
                              ? this.settings.errorPlacement(label, $(element) )
                              : label.insertAfter(element);
               }
               if ( !message && this.settings.success ) {
                    label.text("");
                    typeof this.settings.success == "string"
                         ? label.addClass( this.settings.success )
                         : this.settings.success( label );
               }
               this.toShow = this.toShow.add(label);
          },
          
          errorsFor: function(element) {
               var name = this.idOrName(element);
              return this.errors().filter(function() {
                    return $(this).attr('for') == name;
               });
          },
          
          idOrName: function(element) {
               return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);
          },

          checkable: function( element ) {
               return /radio|checkbox/i.test(element.type);
          },
          
          findByName: function( name ) {
               // select by name and filter by form for performance over form.find("[name=...]")
               var form = this.currentForm;
               return $(document.getElementsByName(name)).map(function(index, element) {
                    return element.form == form && element.name == name && element  || null;
               });
          },
          
          getLength: function(value, element) {
               switch( element.nodeName.toLowerCase() ) {
               case 'select':
                    return $("option:selected", element).length;
               case 'input':
                    if( this.checkable( element) )
                         return this.findByName(element.name).filter(':checked').length;
               }
               return value.length;
          },
     
          depend: function(param, element) {
               return this.dependTypes[typeof param]
                    ? this.dependTypes[typeof param](param, element)
                    : true;
          },
     
          dependTypes: {
               "boolean": function(param, element) {
                    return param;
               },
               "string": function(param, element) {
                    return !!$(param, element.form).length;
               },
               "function": function(param, element) {
                    return param(element);
               }
          },
          
          optional: function(element) {
               return !$.validator.methods.required.call(this, $.trim(element.value), element) && "dependency-mismatch";
          },
          
          startRequest: function(element) {
               if (!this.pending[element.name]) {
                    this.pendingRequest++;
                    this.pending[element.name] = true;
               }
          },
          
          stopRequest: function(element, valid) {
               this.pendingRequest--;
               // sometimes synchronization fails, make sure pendingRequest is never < 0
               if (this.pendingRequest < 0)
                    this.pendingRequest = 0;
               delete this.pending[element.name];
               if ( valid && this.pendingRequest == 0 && this.formSubmitted && this.form() ) {
                    $(this.currentForm).submit();
                    this.formSubmitted = false;
               } else if (!valid && this.pendingRequest == 0 && this.formSubmitted) {
                    $(this.currentForm).triggerHandler("invalid-form", [this]);
                    this.formSubmitted = false;
               }
          },
          
          previousValue: function(element) {
               return $.data(element, "previousValue") || $.data(element, "previousValue", {
                    old: null,
                    valid: true,
                    message: this.defaultMessage( element, "remote" )
               });
          }
          
     },
     
     classRuleSettings: {
          required: {required: true},
          email: {email: true},
          url: {url: true},
          date: {date: true},
          dateISO: {dateISO: true},
          dateDE: {dateDE: true},
          number: {number: true},
          numberDE: {numberDE: true},
          digits: {digits: true},
          creditcard: {creditcard: true}
     },
     
     addClassRules: function(className, rules) {
          className.constructor == String ?
               this.classRuleSettings[className] = rules :
               $.extend(this.classRuleSettings, className);
     },
     
     classRules: function(element) {
          var rules = {};
          var classes = $(element).attr('class');
          classes && $.each(classes.split(' '), function() {
               if (this in $.validator.classRuleSettings) {
                    $.extend(rules, $.validator.classRuleSettings[this]);
               }
          });
          return rules;
     },
     
     attributeRules: function(element) {
          var rules = {};
          var $element = $(element);
          
          for (method in $.validator.methods) {
               var value = $element.attr(method);
               if (value) {
                    rules[method] = value;
               }
          }
          
          // maxlength may be returned as -1, 2147483647 (IE) and 524288 (safari) for text inputs
          if (rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength)) {
               delete rules.maxlength;
          }
          
          return rules;
     },
     
     metadataRules: function(element) {
          if (!$.metadata) return {};
          
          var meta = $.data(element.form, 'validator').settings.meta;
          return meta ?
               $(element).metadata()[meta] :
               $(element).metadata();
     },
     
     staticRules: function(element) {
          var rules = {};
          var validator = $.data(element.form, 'validator');
          if (validator.settings.rules) {
               rules = $.validator.normalizeRule(validator.settings.rules[element.name]) || {};
          }
          return rules;
     },
     
     normalizeRules: function(rules, element) {
          // handle dependency check
          $.each(rules, function(prop, val) {
               // ignore rule when param is explicitly false, eg. required:false
               if (val === false) {
                    delete rules[prop];
                    return;
               }
               if (val.param || val.depends) {
                    var keepRule = true;
                    switch (typeof val.depends) {
                         case "string":
                              keepRule = !!$(val.depends, element.form).length;
                              break;
                         case "function":
                              keepRule = val.depends.call(element, element);
                              break;
                    }
                    if (keepRule) {
                         rules[prop] = val.param !== undefined ? val.param : true;
                    } else {
                         delete rules[prop];
                    }
               }
          });
          
          // evaluate parameters
          $.each(rules, function(rule, parameter) {
               rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;
          });
          
          // clean number parameters
          $.each(['minlength', 'maxlength', 'min', 'max'], function() {
               if (rules[this]) {
                    rules[this] = Number(rules[this]);
               }
          });
          $.each(['rangelength', 'range'], function() {
               if (rules[this]) {
                    rules[this] = [Number(rules[this][0]), Number(rules[this][1])];
               }
          });
          
          if ($.validator.autoCreateRanges) {
               // auto-create ranges
               if (rules.min && rules.max) {
                    rules.range = [rules.min, rules.max];
                    delete rules.min;
                    delete rules.max;
               }
               if (rules.minlength && rules.maxlength) {
                    rules.rangelength = [rules.minlength, rules.maxlength];
                    delete rules.minlength;
                    delete rules.maxlength;
               }
          }
          
          // To support custom messages in metadata ignore rule methods titled "messages"
          if (rules.messages) {
               delete rules.messages;
          }
          
          return rules;
     },
     
     // Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
     normalizeRule: function(data) {
          if( typeof data == "string" ) {
               var transformed = {};
               $.each(data.split(/\s/), function() {
                    transformed[this] = true;
               });
               data = transformed;
          }
          return data;
     },
     
     // http://docs.jquery.com/Plugins/Validation/Validator/addMethod
     addMethod: function(name, method, message) {
          $.validator.methods[name] = method;
          $.validator.messages[name] = message != undefined ? message : $.validator.messages[name];
          if (method.length < 3) {
               $.validator.addClassRules(name, $.validator.normalizeRule(name));
          }
     },

     methods: {

          // http://docs.jquery.com/Plugins/Validation/Methods/required
          required: function(value, element, param) {
               // check if dependency is met
               if ( !this.depend(param, element) )
                    return "dependency-mismatch";
               switch( element.nodeName.toLowerCase() ) {
               case 'select':
                    // could be an array for select-multiple or a string, both are fine this way
                    var val = $(element).val();
                    return val && val.length > 0;
               case 'input':
                    if ( this.checkable(element) )
                         return this.getLength(value, element) > 0;
               default:
                    return $.trim(value).length > 0;
               }
          },
          
          // http://docs.jquery.com/Plugins/Validation/Methods/remote
          remote: function(value, element, param) {
               if ( this.optional(element) )
                    return "dependency-mismatch";
               
               var previous = this.previousValue(element);
               if (!this.settings.messages[element.name] )
                    this.settings.messages[element.name] = {};
               previous.originalMessage = this.settings.messages[element.name].remote;
               this.settings.messages[element.name].remote = previous.message;
               
               param = typeof param == "string" && {url:param} || param; 
               
               if ( previous.old !== value ) {
                    previous.old = value;
                    var validator = this;
                    this.startRequest(element);
                    var data = {};
                    data[element.name] = value;
                    $.ajax($.extend(true, {
                         url: param,
                         mode: "abort",
                         port: "validate" + element.name,
                         dataType: "json",
                         data: data,
                         success: function(response) {
                              validator.settings.messages[element.name].remote = previous.originalMessage;
                              var valid = response === true;
                              if ( valid ) {
                                   var submitted = validator.formSubmitted;
                                   validator.prepareElement(element);
                                   validator.formSubmitted = submitted;
                                   validator.successList.push(element);
                                   validator.showErrors();
                              } else {
                                   var errors = {};
                                   var message = (previous.message = response || validator.defaultMessage( element, "remote" ));
                                   errors[element.name] = $.isFunction(message) ? message(value) : message;
                                   validator.showErrors(errors);
                              }
                              previous.valid = valid;
                              validator.stopRequest(element, valid);
                         }
                    }, param));
                    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($.trim(value), element) >= param;
          },
          
          // http://docs.jquery.com/Plugins/Validation/Methods/maxlength
          maxlength: function(value, element, param) {
               return this.optional(element) || this.getLength($.trim(value), element) <= param;
          },
          
          // http://docs.jquery.com/Plugins/Validation/Methods/rangelength
          rangelength: function(value, element, param) {
               var length = this.getLength($.trim(value), element);
               return this.optional(element) || ( length >= param[0] && length <= param[1] );
          },
          
          // http://docs.jquery.com/Plugins/Validation/Methods/min
          min: function( value, element, param ) {
               return this.optional(element) || value >= param;
          },
          
          // http://docs.jquery.com/Plugins/Validation/Methods/max
          max: function( value, element, param ) {
               return this.optional(element) || value <= param;
          },
          
          // http://docs.jquery.com/Plugins/Validation/Methods/range
          range: function( value, element, param ) {
               return this.optional(element) || ( value >= param[0] && value <= param[1] );
          },
          
          // http://docs.jquery.com/Plugins/Validation/Methods/email
          email: function(value, element) {
               // contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
               return this.optional(element) || /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i.test(value);
          },
     
          // http://docs.jquery.com/Plugins/Validation/Methods/url
          url: function(value, element) {
               // contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/
               return this.optional(element) || /^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);
          },
        
          // http://docs.jquery.com/Plugins/Validation/Methods/date
          date: function(value, element) {
               return this.optional(element) || !/Invalid|NaN/.test(new Date(value));
          },
     
          // http://docs.jquery.com/Plugins/Validation/Methods/dateISO
          dateISO: function(value, element) {
               return this.optional(element) || /^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(value);
          },
     
          // http://docs.jquery.com/Plugins/Validation/Methods/number
          number: function(value, element) {
               return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(value);
          },
     
          // http://docs.jquery.com/Plugins/Validation/Methods/digits
          digits: function(value, element) {
               return this.optional(element) || /^\d+$/.test(value);
          },
          
          // http://docs.jquery.com/Plugins/Validation/Methods/creditcard
          // based on http://en.wikipedia.org/wiki/Luhn
          creditcard: function(value, element) {
               if ( this.optional(element) )
                    return "dependency-mismatch";
               // accept only digits and dashes
               if (/[^0-9-]+/.test(value))
                    return false;
               var nCheck = 0,
                    nDigit = 0,
                    bEven = false;

               value = value.replace(/\D/g, "");

               for (var n = value.length - 1; n >= 0; n--) {
                    var cDigit = value.charAt(n);
                    var nDigit = parseInt(cDigit, 10);
                    if (bEven) {
                         if ((nDigit *= 2) > 9)
                              nDigit -= 9;
                    }
                    nCheck += nDigit;
                    bEven = !bEven;
               }

               return (nCheck % 10) == 0;
          },
          
          // http://docs.jquery.com/Plugins/Validation/Methods/accept
          accept: function(value, element, param) {
               param = typeof param == "string" ? param.replace(/,/g, '|') : "png|jpe?g|gif";
               return this.optional(element) || value.match(new RegExp(".(" + param + ")$", "i")); 
          },
          
          // http://docs.jquery.com/Plugins/Validation/Methods/equalTo
          equalTo: function(value, element, param) {
               // bind to the blur event of the target in order to revalidate whenever the target field is updated
               // TODO find a way to bind the event just once, avoiding the unbind-rebind overhead
               var target = $(param).unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {
                    $(element).valid();
               });
               return value == target.val();
          }
          
     }
     
});

// deprecated, use $.validator.format instead
$.format = $.validator.format;

})(jQuery);

// ajax mode: abort
// usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
// if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort() 
;(function($) {
     var 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);
     };
})(jQuery);

// provides cross-browser focusin and focusout events
// IE has native support, in other browsers, use event caputuring (neither bubbles)

// provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
// handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target 
;(function($) {
     // only implement if not provided by jQuery core (since 1.4)
     // TODO verify if jQuery 1.4's implementation is compatible with older jQuery special-event APIs
     if (!jQuery.event.special.focusin && !jQuery.event.special.focusout && document.addEventListener) {
          $.each({
               focus: 'focusin',
               blur: 'focusout'     
          }, function( original, fix ){
               $.event.special[fix] = {
                    setup:function() {
                         this.addEventListener( original, handler, true );
                    },
                    teardown:function() {
                         this.removeEventListener( original, handler, true );
                    },
                    handler: function(e) {
                         arguments[0] = $.event.fix(e);
                         arguments[0].type = fix;
                         return $.event.handle.apply(this, arguments);
                    }
               };
               function handler(e) {
                    e = $.event.fix(e);
                    e.type = fix;
                    return $.event.handle.call(this, e);
               }
          });
     };
     $.extend($.fn, {
          validateDelegate: function(delegate, type, handler) {
               return this.bind(type, function(event) {
                    var target = $(event.target);
                    if (target.is(delegate)) {
                         return handler.apply(target, arguments);
                    }
               });
          }
     });
})(jQuery);

