修改Js validation,提供对firefix2的支持.

/**//*
 * JavaScript Validation Framework
 *
 * Author: Michael Chen(mechiland) on 2004/03
 * This software is on the http://www.cosoft.org.cn/projects/jsvalidation
 * for update, bugfix, etc, you can goto the homepage and submit your request 
 * and question.
 * Apache License 2.0
 * You should use this software under the terms.
 *
 * Please, please keep above words. At least ,please make a note that such as 
 * "This software developed by Michael Chen(http://www.jzchen.net)" .
 * $Id: validation-framework.js,v 1.7 2004/04/30 05:33:29 jzchen Exp $
 * update :
             1) 2007-12-16 add support of firefox 2. // by lein
               Main changes:
                    a. In ValidationFramework.getDocumentElement, a little difference of 'xmlDoc' between firefox and ie was incarnated.
                    b. In FormFactory.getFormFromId, firefox doesn't support has item property of xmldoc.
 */

/**//** Config Section, Config these fields to make this framework work. **/

// If there is only one config file in your system, use this property. otherwise, use
//     ValidationFramework.init("configfile")     
// instead.
//alert(window.location.href)
var ValidationRoot = "";

// the field style when validation fails. it aim to provide more beautiful UI and more good
// experience to the end-user. 
// NOTE: this will be buggy. Please report the error to me.
// The style has been changed at 2007-12-10;
var ValidationFailCssStyle = "border:1px solid #F77B00; color:#D90005";

//Validation function. The entry point of the framework.
function doValidate(formRef) ...{
    
    try ...{
        var formId = formRef;
        if (typeof (formRef) == "string") ...{
            formId = formRef;
        } else if (typeof (formRef) == "object") ...{
            formId = formRef.getAttribute("id");
        }
        //alert(formId)
        var form = FormFactory.getFormFromId(formId);
        if (form != null) ...{
            //alert(form)
            return ValidationFramework.validateForm(form);
        } else ...{
            return false;
        }
    } catch (e) ...{
        
        ValidationFramework.exception(e.name+":" +e.description);
        
        return false;
    }
    
}
/**//**===================================================================**/
/**//*  var prefix = ["MSXML2", "MSXML", "Microsoft", "MSXML3"];
            for (var i = 0; i < prefix.length; i++) {
                //return new ActiveXObject(prefix[i] + ".DomDocument");
                var obj = new ActiveXObject(prefix[i] + ".DomDocument");

 * JSValidation Framework Code Started 
 * 
 * Please do not modify the code unless you are very familiar with JavaScript.
 * The best way to solve problem is report the problem to our project page.
 * url: http://cosoft.org.cn/projects/jsvalidation
 */
// The Xml document. To process cross-browser. Thanks Eric.
function XmlDocument() ...{
}
XmlDocument.create = function () ...{
     //alert("XmlDocument.create ")
     return Try.these(
     function()...{return new ActiveXObject('MSXML2.DomDocument')},     
     function()...{return new ActiveXObject('MSXML.DomDocument')},     
     function()...{return new ActiveXObject('Microsoft.DomDocument')},     
     function()...{return new ActiveXObject('MSXML3.DomDocument')}
     
    ) || false;
};

function ValidationFramework() ...{}
ValidationFramework._validationCache = null;
ValidationFramework._currentForm = null;
ValidationFramework._userLanguage="auto";
/**//**
 * Validate a form.
 * NOTE: the form is Framework virture form, not the HTML Form. 
 * Html Form can be transform to Virture form by 
 *     FormFactory.getFormFromId(htmlFormId);
 * See the doc for more information.
 * @param form the virtual form.
 */
ValidationFramework.validateForm = function(fform) ...{
    ValidationFramework._currentForm = fform;
    
    var failFields = [];
    var id = fform.getId();
    var showError = fform.getShowError();
    var showType = fform.getShowType();
    //alert(id+"|"+showError+"|"+showType+"110")
    var br = null;
    if (showError != "alert") ...{
        br = "<br />";
    } else ...{
        br = " ";
    }
    var errorStrArray = [];
    var ret = false;
    var formObj = document.getElementById(id);
    ////alert("formObj.tagName is "+formObj.getTagName())
    formObj=document.getElementById(FormToChk);
    //alert("ok")
    var fields = fform.getFields();
    //alert("fields.length="+fields.length)
    var rightnum = 0;
    for (var i = 0; i < fields.length; i++) ...{
        //alert(fields[i])
        var retVal = ValidationFramework.validateField(fields[i]);
        var fo=formObj[fields[i].getName()];
        //alert(fo+"|fields[i].getName()="+fields[i].getName())
        if (typeof (fo) !='undefined' && 
            fo != null &&
            typeof(fo.type) != "undefined") ...{
            fo.style.cssText = "";
        }

        if (retVal != "OK") ...{
            errorStrArray[errorStrArray.length] = retVal;
            failFields[failFields.length] = formObj[fields[i].getName()];
        } else ...{
            rightnum ++;
        }
    }

    if (rightnum == fields.length) ...{
        ret = true;
    }

    if (errorStrArray.length > 0) ...{
        if (showError == "alert") ...{
            if (showType == "first") ...{
                alert(errorStrArray[0]);
            } else ...{
                alert(errorStrArray.join(br));
            }
            
        } else if(showError == "errorDiv") ...{
            AddtionDOMName=AddtionErrorDOMName || ""
            showError=showError+AddtionDOMName
            for(var i=0;i<failFields.length;i++)...{                
                var errObj = document.getElementById(showError+failFields[i].name);
                errObj.innerHTML = errorStrArray[i];
            }
        }else...{
            AddtionDOMName=AddtionErrorDOMName || ""
            showError=showError+AddtionDOMName
            var errObj = document.getElementById(showError);
            if (showType == "first") ...{
                errObj.innerHTML = errorStrArray[0];
            } else ...{
                errObj.innerHTML = errorStrArray.join(br);
            }
        }
        
        if (typeof (failFields[0]) !='undefined' && 
            failFields[0] != null &&
            typeof(failFields[0].type) != "undefined") ...{
            failFields[0].focus();
        }

        for (var i = 0; i < failFields.length; i++) ...{

            var o = failFields[i];
            if ( typeof (o) !='undefined' && 
                 o != null && typeof(o.type) != "undefined") ...{
                o.style.cssText = ValidationFailCssStyle;
            }    
        }
    }

    return ret;
}

/**//**
 * Validation the field
 * @param filed the field you want to validate.
 */
ValidationFramework.validateField = function(field) ...{
    var depends = field.getDepends();
    var retStr = "OK";
    //alert("depends.length="+depends.length)
    for (var i = 0; i < depends.length; i++) ...{
        //alert(field+"|"+depends[i]+"<------")
        if (!ValidationFramework.validateDepend(field, depends[i])) ...{
            //alert("There foudn an error")
            retStr = ValidationFramework.getErrorString(field, depends[i]);
            return retStr; //Break;
        }else...{
            //alert("Rule "+i+" passed")
        }
    }
    return retStr;
}

/**//**
 * Validate the field depend.
 * This function dispatch the various depends into ValidateMethodFactory.validateXXX
 */
ValidationFramework.validateDepend = function(field, depend) ...{
    //alert("depend.getName()="+depend.getName())
    if (depend.getName() == "required") ...{
        return ValidateMethodFactory.validateRequired(field, depend.getParams());
    } else if (depend.getName() == "integer") ...{
        return ValidateMethodFactory.validateInteger(field, depend.getParams());
    } else if (depend.getName() == "double") ...{
        return ValidateMethodFactory.validateDouble(field, depend.getParams());
    } else if (depend.getName() == "commonChar") ...{
        return ValidateMethodFactory.validateCommonChar(field, depend.getParams());
    } else if (depend.getName() == "chineseChar") ...{
        return ValidateMethodFactory.validateChineseChar(field, depend.getParams());
    } else if (depend.getName() == "minLength") ...{
        return ValidateMethodFactory.validateMinLength(field, depend.getParams());
    } else if (depend.getName() == "maxLength") ...{
        return ValidateMethodFactory.validateMaxLength(field, depend.getParams());
    } else if (depend.getName() == "email") ...{
        return ValidateMethodFactory.validateEmail(field, depend.getParams());
    } else if (depend.getName() == "date") ...{
        return ValidateMethodFactory.validateDate(field, depend.getParams());
    } else if (depend.getName() == "time") ...{
        return ValidateMethodFactory.validateTime(field, depend.getParams());
    } else if (depend.getName() == "mask") ...{
        return ValidateMethodFactory.validateMask(field, depend.getParams());
    } else if (depend.getName() == "integerRange") ...{
        return ValidateMethodFactory.validateIntegerRange(field, depend.getParams());
    } else if (depend.getName() == "doubleRange") ...{
        return ValidateMethodFactory.validateDoubleRange(field, depend.getParams());
    } else if (depend.getName() == "equalsField") ...{
        return ValidateMethodFactory.validateEqualsField(field, depend.getParams());
    } else if (depend.getName() == "numberrange") ...{
        return ValidateMethodFactory.validateNumberRange(field, depend.getParams());
    } else ...{
        ValidationFramework.exception("Hasn't implemented that depend: " + depend.getName());
        return false;
    }
}


// hold the current config file
var _validationConfigFile = "";
ValidationFramework.getDocumentElement = function() ...{
    if (ValidationFramework._validationCache != null) ...{
        return ValidationFramework._validationCache;
    }
    
    //path=window.location.pathname.substr(0,window.location.pathname.lastIndexOf("/"))
    var file = "";
    if (_validationConfigFile != "") ...{
        if(window.location.protocol=="http:")...{
            file = window.location.protocol+"//"+window.location.host+"/"+_validationConfigFile;
        }else...{
            file =_validationConfigFile;
        }
    } else ...{
        file = ValidationRoot + "validation-config.xml";
    }
    
    var xmlDoc;
    if(window.ActiveXObject)
    ...{
        xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
        xmlDoc.async = false;
        xmlDoc.setProperty("ServerHTTPRequest",true);
        //xmlDoc.setRequestHeader("If-Modified-Since","0");
        xmlDoc.load(file);
        if (xmlDoc.parseError.errorCode!=0)    
        ...{ 
            var error = xmlDoc.parseError;     
            ValidationFramework.exception(error.reason)
            return false;     
        } 
    
        if (xmlDoc.documentElement == null) ...{
            ValidationFramework.exception("Configure Error, please check!");
            return null;
        }
    }
    else if (document.implementation&&document.implementation.createDocument)
    ...{
        
        xmlDoc = document.implementation.createDocument('', '', null);
        xmlDoc.async = false; // Damn!!! it cost me half an hour to fix it!
        xmlDoc.load(file);
        if(xmlDoc.documentElement.nodeName=='parsererror')...{            
            ValidationFramework.exception(xmlDoc.documentElement.textContent)
            return null;
        }        
    }
    else
    ...{
        XMLMSG='Sorry, your browser doesn't support XML.'
        alert(XMLMSG);
        return false;
    }    
    
    // TODO: parse the document if it's a valid document.
    ValidationFramework._validationCache = xmlDoc.documentElement;
    //alert("xmlDoc.documentElement:"+xmlDoc.documentElement+"|"+typeof(xmlDoc.documentElement))
    //alert("ValidationFramework._validationCache:"+ValidationFramework._validationCache +typeof(ValidationFramework._validationCache))
    var lang=ValidationFramework._validationCache.getAttribute("lang");
    //alert(lang)
    ValidationFramework._userLanguage = (lang==null) ? "auto" : lang;
    return ValidationFramework._validationCache;
}

ValidationFramework.init = function(configFile) ...{
    _validationConfigFile = configFile;    
    var configdocument=ValidationFramework.getDocumentElement();
    //alert("configdocument="+configdocument+"|"+typeof(configdocument))
}

ValidationFramework.getAllForms = function() ...{
    var vforms = [];
    var root = ValidationFramework.getDocumentElement();
    if (root != null) ...{
        var fs = root.childNodes;
        for (var i = 0;i < fs.length ;i++ )    ...{
            vforms[i] = new ValidationForm(fs.item(i));
        }
    }
    return vforms;
}
ValidationFramework.getErrorString = function(field, depend) ...{
    var stringResource = null;
    var lang = ValidationFramework._userLanguage.toLowerCase();
    //if lang == auto, get the user's browser language.
    if (lang == "auto") ...{
        // different browser has the different method the get the 
        // user's language. so this is a stupid way to detect the 
        // most common browser IE and Mozilla.
        if (typeof navigator.userLanguage == 'undefined')
            lang = navigator.language.toLowerCase();
        else
            lang = navigator.userLanguage.toLowerCase();
    }
    // get the language
    if (typeof ValidationErrorString[lang] != 'object') ...{
        stringResource = ValidationErrorString['zh-cn'];
    } else ...{
        stringResource = ValidationErrorString[lang];
    }
    
    var dep = depend.getName().toLowerCase();
    var retStr = stringResource[dep];
    //If the specified depend not defined, use the default error string.
    if (typeof retStr != 'string') ...{
        retStr = stringResource["default"];/////////////////////////////////////////////////////        
        disp_field_str=ValidationErrorString[field.getDisplayName()]||field.getDisplayName()
        retStr = retStr.replace("{0}", disp_field_str);
        return retStr;
    }
    disp_field_str=ValidationErrorString[field.getDisplayName()]||field.getDisplayName()
    retStr = retStr.replace("{0}", disp_field_str);
    if (dep == "minlength" || dep == "maxlength" || dep == "date" ) ...{
        disp_field_str=ValidationErrorString[depend.getParams()[0]]||depend.getParams()[0]
        retStr = retStr.replace("{1}", depend.getParams()[0]);
    } else if ( dep == "equalsfield") ...{
        var eqField = field.getForm().findField(depend.getParams()[0]);
        if (eqField == null) ...{
            ValidationFramework.exception("Cann't find the filed which name is [" + depend.getParams()[0]+"], please check the xml configure file.");
            retStr = "<<Conifgure Error>>";
        } else ...{
            disp_field_str=ValidationErrorString[field.getForm().findField(depend.getParams()[0]).getDisplayName()]||field.getForm().findField(depend.getParams()[0]).getDisplayName()
            retStr = retStr.replace("{1}", disp_field_str);
        }
    } else if (dep == "integerrange" || dep == "doublerange" || dep == "numberrange") ...{        
        disp_field_str=ValidationErrorString[depend.getParams()[0]]||depend.getParams()[0]
        retStr = retStr.replace("{1}", disp_field_str);
        disp_field_str=ValidationErrorString[depend.getParams()[1]]||depend.getParams()[1]
        retStr = retStr.replace("{2}", disp_field_str);
    }

    return retStr;
}

ValidationFramework.getWebFormFieldObj = function(field) ...{
    var obj = null;
    if (ValidationFramework._currentForm != null) ...{
        var formObj = document.getElementById(ValidationFramework._currentForm.getId());
        try...{
            obj = formObj[field.getName()];
        }catch(e)...{
            formObj = document.getElementById(FormToChk);
            obj = formObj[field.getName()];
        }
        if (typeof(obj) == 'undefined') ...{
            obj = null;
        }
    }else...{
        //alert("ValidationFramework._currentForm === null")    
    }
    if (obj == null) ...{
        ValidationFramework.exception("Can not find form filed which name is [" + field.getName() + ".");
    }
    return obj;
}

ValidationFramework.exception = function(str) ...{
    var ex = "JavaScript Validation Framework runtime error: ";
    ex += str;
    ex += "  Any runtime error will cause the validation failure.";
    alert(ex);
}
ValidationFramework.getIntegerValue = function(val) ...{
    var intvalue = parseInt(val);
    if (isNaN(intvalue)) ...{
        ValidationFramework.exception("Expect an integer.");
    }
    return intvalue;
}
ValidationFramework.getFloatValue = function(val) ...{
    var floatvalue = parseFloat(val);
    if (isNaN(floatvalue)) ...{
        ValidationFramework.exception("Expect a float number.");
    }
    return floatvalue;
}
/**//**
 * FormFactory
 * Build virture form from Html Form.
 */
function FormFactory() ...{}
FormFactory.getFormFromDOM = function(dom) ...{
    var form = new ValidationForm();
    form.setId(dom.getAttribute("id"));
    form.setShowError(dom.getAttribute("show-error"));
    form.setOnFail(dom.getAttribute("onfail"));
    form.setShowType(dom.getAttribute("show-type"));

    if (dom.hasChildNodes()) ...{
        var f = dom.childNodes;
        for (var i = 0; i < f.length; i++) ...{
            if (f.item(i) == null||typeof(f.item(i).tagName) == 'undefined' || f.item(i).tagName != 'field') ...{
                continue;
            }
            var field = FieldFactory.getFieldFromDOM(f.item(i));
            if (field != null) ...{
                form.addField(field);
            }
        }
    }
    return form;
}
/// Get the Form from ID
FormFactory.getFormFromId = function(id) ...{
    var root = ValidationFramework.getDocumentElement();
    if ( root == null || (!root.hasChildNodes()) ) return null;
    var vforms = root.childNodes;
    
    if(vforms.length<2)...{//如果配置xml文档只有一个配置表单
        var f = document.all?vforms.item(0):vforms[i];
        return FormFactory.getFormFromDOM(f);
    }else...{
        if(!document.all)...{//Firefox will give three elements though there's only one form.
            var tmp=[];
            for (var i = 0; i < vforms.length; i++) ...{//The one which's tagname is not empty is we need
                var f = vforms.item(i);
                if(typeof(f.tagName) != 'undefined' &&f.tagName == 'form')...{
                    tmp[tmp.length]=f;    
                }
            }
            vforms=    tmp;
            if(vforms.length<2)...{
                var f = vforms[0];
                return FormFactory.getFormFromDOM(f);
            }
        }
        for (var i = 0; i < vforms.length; i++) ...{
            var f =  document.all?vforms.item(0):vforms[i];

            if (typeof(f.tagName) != 'undefined' && f.tagName == 'form' && f.getAttribute("id") == id) ...{    
                return FormFactory.getFormFromDOM(f);
            }else...{
                //alert(f.getAttribute("id") +"|"+id+"|"+f.tagName)
            }
        }
    }
    alert('The setting for the form('+id+') to be checked was not found!');
    return null;    
}

/**//**
 * A validation form object.
 */
function ValidationForm() ...{
    this._fields = [];
    this._id = null;
    this._showError = null;
    this._onFail = null;
    this._showType = null;

    this.getFields = function() ...{ return this._fields; }
    this.setFields = function(p0) ...{ this._fields = p0; }

    this.getId = function() ...{ return this._id; }
    this.setId = function(p0) ...{ this._id = p0; }

    this.getShowError = function() ...{ return this._showError; }
    this.setShowError = function(p0) ...{ this._showError = p0; }

    this.getShowType = function() ...{ return this._showType; }
    this.setShowType = function(p0) ...{ this._showType = p0; }

    this.getOnFail = function() ...{ return this._onFail; }
    this.setOnFail = function(p0) ...{ this._onFail = p0; }
    
    // find field by it's name
    this.findField = function(p0) ...{
        for (var i = 0; i < this._fields.length; i++) ...{
            if (this._fields[i].getName() == p0) ...{
                return this._fields[i];
            }
        }
        return null;
    }
    
    this.addField = function(p0) ...{
        this._fields[this._fields.length] = p0;
        p0.setForm(this);
    }
}

/**//**
 * A form filed. virtual.
 */
function ValidationField() ...{
    this._name = null;
    this._depends = [];
    this._displayName = null;
    this._onFail = null;
    this._form = null;

    this.getName = function() ...{ return this._name; }
    this.setName = function(p0) ...{ this._name = p0; }

    this.getDepends = function() ...{ return this._depends; }
    this.setDepends = function(p0) ...{ this._depends = p0; }

    this.getDisplayName = function() ...{ return this._displayName; }
    this.setDisplayName = function(p0) ...{ this._displayName = p0; }

    this.getOnFail = function() ...{ return this._onFail; }
    this.setOnFail = function(p0) ...{ this._onFail = p0; }
    
    this.getForm = function() ...{ return this._form; }
    this.setForm = function(p0) ...{ this._form = p0; }

    this.addDepend = function(p0) ...{
        this._depends[this._depends.length] = p0;
    }
}

///Factory methods for create Field
function FieldFactory() ...{}
FieldFactory.getFieldFromDOM = function(dom) ...{
    var field = new ValidationField();
    field.setName(dom.getAttribute("name"));
    field.setDisplayName(dom.getAttribute("display-name"));
    field.setOnFail(dom.getAttribute("onfail"));
    if (dom.hasChildNodes()) ...{
        var depends = dom.childNodes;
        for (var i = 0; i < depends.length; i++) ...{
            var item = depends.item(i);
            if (typeof(item.tagName) == 'undefined' || item.tagName != 'depend') ...{
                continue;
            }
            var dp = new ValidationDepend();
            dp.setName(item.getAttribute("name"));
            dp.addParam(item.getAttribute("param0"));
            dp.addParam(item.getAttribute("param1"));
            dp.addParam(item.getAttribute("param2"));
            dp.addParam(item.getAttribute("param3"));
            dp.addParam(item.getAttribute("param4"));
            field.addDepend(dp);
        }
    }
    return field;
}


function FormFieldUtils() ...{}

FormFieldUtils.findField = function(formName, fieldName) ...{
    
    var formArr = ValidationFramework.getAllForms();
    var theForm = null;
    for (var i = 0; i < formArr.length; i++) ...{
        if (formArr[i].getName() == formName) ...{
            theForm = formArr[i];
        }
    }

    if (theForm != null) ...{
        return theForm.findField(fieldName);
    } else ...{
        return null;
    }
}

/**//**
 * A validaton depend.
 */
function ValidationDepend() ...{
    this._name = null;
    this._params = [];

    this.getName = function() ...{ return this._name; }
    this.setName = function(p0) ...{ this._name = p0; }

    this.getParams = function() ...{ return this._params; }
    this.setParams = function(p0) ...{ this.params = p0; }

    this.addParam = function(p0) ...{
        this._params[this._params.length] = p0;
    }
}

function ValidateMethodFactory() ...{}
ValidateMethodFactory._methods = [];
ValidateMethodFactory.validateRequired = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);    
    if (obj == null) return false;
    if (typeof(obj.type) == "undefined") ...{
        var tmp = 0;
        for (var i = 0; i < obj.length; i++) ...{
            if (obj[i].checked) ...{
                return true;
            }
        }
        return false;
    }

    if (obj.type == "checkbox" || obj.type == "radio") ...{
        return (obj.checked);
    } else ...{
        return !(obj.value == "");
    }
}

ValidateMethodFactory.validateInteger = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    if (obj.value == "") return true;
    var exp = new RegExp("^-?/d+$");
    return exp.test(obj.value);
}

ValidateMethodFactory.validateDouble = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    if (obj.value == "") return true;
    var exp = new RegExp("^-?/d+./d+$");
    return exp.test(obj.value);
}
ValidateMethodFactory.validateCommonChar = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    if (obj.value == "") return true;
    var exp = new RegExp("^[A-Za-z0-9_]*$");
    return exp.test(obj.value);
}
ValidateMethodFactory.validateChineseChar = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    if (obj.value == "") return true;
    var exp = new RegExp("^[一-龥豈-鶴]*$");
    return exp.test(obj.value);
}
ValidateMethodFactory.validateMinLength = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    var v = ValidationFramework.getIntegerValue(params[0]);
    return (obj.value.length >= v);
}
ValidateMethodFactory.validateMaxLength = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    var v = ValidationFramework.getIntegerValue(params[0]);
    return (obj.value.length <= v);
}
ValidateMethodFactory.validateEmail = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    return ValidateMethodFactory.__checkEmail(obj.value);
}
ValidateMethodFactory.validateDate = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    if (obj.value == "") return true;
    
    var value = obj.value;
    var datePattern = params[0];
    var MONTH = "mm";
    var DAY = "dd";
    var YEAR = "yyyy";
    var orderMonth = datePattern.indexOf(MONTH);
    var orderDay = datePattern.indexOf(DAY);
    var orderYear = datePattern.indexOf(YEAR);
    var bValid = true;
    var dateRegexp = null;

    if ((orderDay < orderYear && orderDay > orderMonth)) ...{
        var iDelim1 = orderMonth + MONTH.length;
        var iDelim2 = orderDay + DAY.length;
        var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
        var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
        if (iDelim1 == orderDay && iDelim2 == orderYear) ...{
            dateRegexp = new RegExp("^(/d{2})(/d{2})(/d{4})$");
        } else if (iDelim1 == orderDay) ...{
            dateRegexp = new RegExp("^(/d{2})(/d{2})[" + delim2 + "](/d{4})$");
        } else if (iDelim2 == orderYear) ...{
            dateRegexp = new RegExp("^(/d{2})[" + delim1 + "](/d{2})(/d{4})$");
        } else ...{
            dateRegexp = new RegExp("^(/d{2})[" + delim1 + "](/d{2})[" + delim2 + "](/d{4})$");
        }

        var matched = dateRegexp.exec(value);
        if(matched != null) ...{
            if (!ValidateMethodFactory.__isValidDate(matched[2], matched[1], matched[3])) ...{
                bValid =  false;
            }
        } else ...{
            bValid =  false;
        }
    } else if ((orderMonth < orderYear && orderMonth > orderDay)) ...{ 
        var iDelim1 = orderDay + DAY.length;
        var iDelim2 = orderMonth + MONTH.length;
        var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);
        var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
        if (iDelim1 == orderMonth && iDelim2 == orderYear) ...{
            dateRegexp = new RegExp("^(/d{2})(/d{2})(/d{4})$");
        } else if (iDelim1 == orderMonth) ...{
            dateRegexp = new RegExp("^(/d{2})(/d{2})[" + delim2 + "](/d{4})$");
        } else if (iDelim2 == orderYear) ...{
            dateRegexp = new RegExp("^(/d{2})[" + delim1 + "](/d{2})(/d{4})$");
        } else ...{
            dateRegexp = new RegExp("^(/d{2})[" + delim1 + "](/d{2})[" + delim2 + "](/d{4})$");
        }
        var matched = dateRegexp.exec(value);
        if(matched != null) ...{
            if (!ValidateMethodFactory.__isValidDate(matched[1], matched[2], matched[3])) ...{
                bValid = false;
            }
        } else ...{
            bValid = false;
        }
    } else if ((orderMonth > orderYear && orderMonth < orderDay)) ...{
        var iDelim1 = orderYear + YEAR.length;
        var iDelim2 = orderMonth + MONTH.length;
        var delim1 = datePattern.substring(iDelim1, iDelim1 + 1);

        var delim2 = datePattern.substring(iDelim2, iDelim2 + 1);
        if (iDelim1 == orderMonth && iDelim2 == orderDay) ...{
            dateRegexp = new RegExp("^(/d{4})(/d{2})(/d{2})$");
        } else if (iDelim1 == orderMonth) ...{
            dateRegexp = new RegExp("^(/d{4})(/d{2})[" + delim2 + "](/d{2})$");
        } else if (iDelim2 == orderDay) ...{
            dateRegexp = new RegExp("^(/d{4})[" + delim1 + "](/d{2})(/d{2})$");
        } else ...{
            dateRegexp = new RegExp("^(/d{4})[" + delim1 + "](/d{2})[" + delim2 + "](/d{2})$");
        }
        var matched = dateRegexp.exec(value);
        if(matched != null) ...{
            if (!ValidateMethodFactory.__isValidDate(matched[3], matched[2], matched[1])) ...{
                bValid =  false;
            }
        } else ...{
            bValid =  false;
        }
    } else ...{
        bValid =  false;
    }
    return bValid;
}
ValidateMethodFactory.validateTime = function(field, params) ...{
    ////NOT IMPLEMENT YET SINCE IT'S NOT USEFUL.
    return true;
}
ValidateMethodFactory.validateMask = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    if (obj.value == "") return true;
    var exp = new RegExp(params[0]);
    //FIXME: this method may be buggy, need more test.
    return exp.test(obj.value);
}
ValidateMethodFactory.validateIntegerRange = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    if (obj.value == "") return true;
    var p0 = ValidationFramework.getIntegerValue(params[0]);
    var p1 = ValidationFramework.getIntegerValue(params[1]);
    if (ValidateMethodFactory.validateInteger(field)) ...{
        var v = parseInt(obj.value);
        return (v >= p0 && v <= p1);
    } else ...{
        return false;
    }
    return true;
}
ValidateMethodFactory.validateDoubleRange = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    if (obj.value == "") return true;
    var p0 = ValidationFramework.getFloatValue(params[0]);
    var p1 = ValidationFramework.getFloatValue(params[1]);
    if (ValidateMethodFactory.validateInteger(field) || ValidateMethodFactory.validateDouble(field)) ...{
        var v = parseFloat(obj.value);
        return (v >= p0 && v <= p1);
    } else ...{
        return false;
    }
    return true;
}
ValidateMethodFactory.validateEqualsField = function(field, params) ...{
    var obj = ValidationFramework.getWebFormFieldObj(field);    
    if (obj == null) return false;
    var formObj = document.getElementById(ValidationFramework._currentForm.getId());
    try...{
        var eqField = formObj[params[0]];        
    }catch(e)...{        
        formObj = document.getElementById(FormToChk);
        var eqField = formObj[params[0]];        
    }
    
    if (eqField != null) ...{
        return (obj.value == eqField.value)
    } else ...{
        return false;    
    }
}
ValidateMethodFactory.validateNumberRange = function(field, params) ...{//by lein
    
    var obj = ValidationFramework.getWebFormFieldObj(field);
    if (obj == null) return false;
    if (obj.value == "") return true;
    var p0 = ValidationFramework.getIntegerValue(params[0]);
    var p1 = ValidationFramework.getIntegerValue(params[1]);    
    var v = parseFloat(obj.value);
    if(isNaN(v)||v.length<1)...{
            return false    
    }    
    return (v >= p0 && v <= p1);    
}
ValidateMethodFactory.__isValidDate = function(day, month, year) ...{
    if (month < 1 || month > 12) return false;
    if (day < 1 || day > 31) return false;
    if ((month == 4 || month == 6 || month == 9 || month == 11) &&(day == 31)) 
        return false;
    
    if (month == 2) ...{
        var leap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
        if (day>29 || (day == 29 && !leap)) return false;
    }
    
    return true;
}

/**//**
 * Reference: Sandeep V. Tamhankar (stamhankar@hotmail.com),
 * http://javascript.internet.com
 */
ValidateMethodFactory.__checkEmail = function(emailStr) ...{                                                  
   if (emailStr.length == 0) ...{                                                              
       return true;                                                                          
   }                                                                                         
   var emailPat=/^(.+)@(.+)$/;                                                               
   var specialChars="/(/)<>@,;:///"/./[/]";                                         
   var validChars="[^/s" + specialChars + "]";                                            
   var quotedUser="("[^"]*")";                                                            
   var ipDomainPat=/^(d...{1,3})[.](d...{1,3})[.](d...{1,3})[.](d...{1,3})$/;                        
   var atom=validChars + '+';                                                                
   var word="(" + atom + "|" + quotedUser + ")";                                             
   var userPat=new RegExp("^" + word + "(/." + word + ")*$");                               
   var domainPat=new RegExp("^" + atom + "(/." + atom + ")*$");                             
   var matchArray=emailStr.match(emailPat);                                                  
   if (matchArray == null) ...{                                                                 
       return false;                                                                         
   }                                                                                         
   var user=matchArray[1];                                                                   
   var domain=matchArray[2];                                                                 
   if (user.match(userPat) == null) ...{                                                        
       return false;                                                                         
   }                                                                                         
   var IPArray = domain.match(ipDomainPat);                                                  
   if (IPArray != null) ...{                                                                    
       for (var i = 1; i <= 4; i++) ...{                                                        
          if (IPArray[i] > 255) ...{                                                            
             return false;                                                                   
          }                                                                                  
       }                                                                                     
       return true;                                                                          
   }                                                                                         
   var domainArray=domain.match(domainPat);                                                  
   if (domainArray == null) ...{                                                                
       return false;                                                                         
   }                                                                                         
   var atomPat=new RegExp(atom,"g");                                                         
   var domArr=domain.match(atomPat);                                                         
   var len=domArr.length;                                                                    
   if ((domArr[domArr.length-1].length < 2) ||                                               
       (domArr[domArr.length-1].length > 3)) ...{                                               
       return false;                                                                         
   }                                                                                         
   if (len < 2) ...{                                                                            
       return false;                                                                         
   }                                                                                         
   return true;                                                                              
}                                                                                            

////Language Definitions
var ValidationErrorString = new Object();
////Simplified Chinese(zh-ch)
ValidationErrorString["zh-cn"] = new Object();
ValidationErrorString["zh-cn"]["default"]="域{0}校验失败。";
ValidationErrorString["zh-cn"]["required"]="{0}不能为空。";
ValidationErrorString["zh-cn"]["integer"]="{0}必须是一个整数。";
ValidationErrorString["zh-cn"]["double"]="{0}必须是一个浮点数（带小数点）。";
ValidationErrorString["zh-cn"]["commonchar"] = "{0}必须是普通英文字符：字母，数字和下划线。";
ValidationErrorString["zh-cn"]["chinesechar"] = "{0}必须是中文字符。";
ValidationErrorString["zh-cn"]["minlength"]="{0}长度不能小于{1}个字符。";
ValidationErrorString["zh-cn"]["maxlength"]="{0}长度不能大于{1}个字符。" ;
ValidationErrorString["zh-cn"]["invalid"]="{0}无效。";                                                             
ValidationErrorString["zh-cn"]["date"]="{0}不是一个有效日期，期待格式：{1}。";
ValidationErrorString["zh-cn"]["integerrange"]="{0}必须在整数{1}和{2}之间。";
ValidationErrorString["zh-cn"]["doublerange"]="{0}必须在浮点数{1}和{2}之间。";
ValidationErrorString["zh-cn"]["pid"]="{0}不是一个有效身份证号。";
ValidationErrorString["zh-cn"]["email"]="{0}不是一个有效的Email。";
ValidationErrorString["zh-cn"]["equalsfield"]="{0}必须和{1}一致。";
ValidationErrorString["zh-cn"]["numberrange"]="{0}必须在数值{1}和{2}之间。";
////English(en-us)
ValidationErrorString["en-us"] = new Object();
ValidationErrorString["en-us"]["default"]="Failed when validating filed {0}.";
ValidationErrorString["en-us"]["required"]="{0} is required.";
ValidationErrorString["en-us"]["integer"]="{0} must be a integer.";
ValidationErrorString["en-us"]["double"]="{0} must be a double value. ";
ValidationErrorString["en-us"]["commonchar"] = "{0} should be common ascii characters, A-Z,a-z and undercore. ";
ValidationErrorString["en-us"]["chinesechar"] = "{0} must be chinese characters. ";
ValidationErrorString["en-us"]["minlength"]="{0} cannot be less then {1}. ";
ValidationErrorString["en-us"]["maxlength"]="{0} cannot be more then {1}. ";
ValidationErrorString["en-us"]["invalid"]="{0} in invalid. ";                                                             
ValidationErrorString["en-us"]["date"]="{0} is not an invalid date format: {1}. ";
ValidationErrorString["en-us"]["integerrange"]="{0} should be between number {1} and {2}. ";
ValidationErrorString["en-us"]["doublerange"]="{0} should be between double {1} and {2}. ";
ValidationErrorString["en-us"]["pid"]="{0} is not an valid pid. ";
ValidationErrorString["en-us"]["email"]="{0} is not an valid email address. ";
ValidationErrorString["en-us"]["equalsfield"]="{0} should be agree with field {1}. ";
ValidationErrorString["en-us"]["numberrange"]="{0} should be between number {1} and {2}. ";

ValidationErrorString["zh-big5"] = new Object();
ValidationErrorString["zh-big5"]["default"]="域{0}校驗失敗。";
ValidationErrorString["zh-big5"]["required"]="{0}不能為空。";
ValidationErrorString["zh-big5"]["integer"]="{0}必須是一個整數。";
ValidationErrorString["zh-big5"]["double"]="{0}必須是一個浮點數（帶小數點）。";
ValidationErrorString["zh-big5"]["commonchar"] = "{0}必須是普通英文字元：字母，數位和下劃線。";
ValidationErrorString["zh-big5"]["chinesechar"] = "{0}必須是中文字元。";
ValidationErrorString["zh-big5"]["minlength"]="{0}長度不能小於{1}個字元。";
ValidationErrorString["zh-big5"]["maxlength"]="{0}長度不能大於{1}個字元。" ;
ValidationErrorString["zh-big5"]["invalid"]="{0}無效。";                                                             
ValidationErrorString["zh-big5"]["date"]="{0}不是一個有效日期，期待格式：{1}。";
ValidationErrorString["zh-big5"]["integerrange"]="{0}必須在整數{1}和{2}之間。";
ValidationErrorString["zh-big5"]["doublerange"]="{0}必須在浮點數{1}和{2}之間。";
ValidationErrorString["zh-big5"]["pid"]="{0}不是一個有效身份證號。";
ValidationErrorString["zh-big5"]["email"]="{0}不是一個有效的Email。";
ValidationErrorString["zh-big5"]["equalsfield"]="{0}必須和{1}一致。";
ValidationErrorString["zh-big5"]["numberrange"]="{0}必須在數值{1}和{2}之間。";

// preload the validation file.
//ValidationFramework.getDocumentElement();