/*
 * jQuery validation plug-in pre-1.5.2
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
 * http://docs.jquery.com/Plugins/Validation
 *
 * Copyright (c) 2006 - 2008 Jörn Zaefferer
 *
 * $Id: jquery.validate.js,v 1.1 2009/11/09 03:56:44 sellel Exp $
 *
 * 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;
      });
    
      // 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 ) {
            validator.settings.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 {
          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(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;}
});


$.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: 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.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) {
      if ( 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 );
  },

  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 number.",
    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.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");
        validator.settings["on" + event.type] && validator.settings["on" + event.type].call(validator, this[0] );
      }
      $(this.currentForm)
        .delegate("focusin focusout keyup", ":text, :password, :file, select, textarea", delegate)
        .delegate("click", ":radio, :checkbox", 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();
        } 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.formSubmitted = false;
      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");
          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 );
      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 = toToggle.add( toToggle.parents( 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.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.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) {
      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) {
      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();
      } else if (!valid && this.pendingRequest == 0 && this.formSubmitted) {
        $(this.currentForm).triggerHandler("invalid-form", [this]);
      }
    },
    
    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').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;
    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;
      
      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) {
            if ( response ) {
              var submitted = validator.formSubmitted;
              validator.prepareElement(element);
              validator.formSubmitted = submitted;
              validator.successList.push(element);
              validator.showErrors();
            } else {
              var errors = {};
              errors[element.name] =  response || validator.defaultMessage( element, "remote" );
              validator.showErrors(errors);
            }
            previous.valid = response;
            validator.stopRequest(element, response);
          }
        }, 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/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);
  };
})(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);