Validator = {
	Require : /.+/,
	Email : /^\w+([-+.]\w+)*@\w+([-.]\\w+)*\.\w+([-.]\w+)*$/,
	Phone : /^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/,
	Mobile : /^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/,
	Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
	IdCard : /^\d{15}(\d{2}[A-Za-z0-9])?$/,
	Currency : /^\d+(\.\d+)?$/,
	Number : /^\d+$/,
	Zip : /^[0-9]\d{5}$/,
	QQ : /^[1-9]\d{4,8}$/,
	Integer : /^[-\+]?\d+$/,
	Double : /^[-\+]?\d+(\.\d+)?$/,
	English : /^[A-Za-z]+$/,
	Chinese :  /^[\u0391-\uFFE5]+$/,
	UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
	IsSafe : function(str){return !this.UnSafe.test(str);},
	SafeString : "this.IsSafe(value)",
	Limit : "this.limit(value.length,getAttribute('min'),  getAttribute('max'))",
	LimitB : "this.limit(this.LenB(value), getAttribute('min'), getAttribute('max'))",
	Date : "this.IsDate(value, getAttribute('min'), getAttribute('format'))",
	Repeat : "value == document.getElementsByName(getAttribute('to'))[0].value",
	Range : "getAttribute('min') < value && value < getAttribute('max')",
	Compare : "this.compare(value,getAttribute('operator'),getAttribute('to'))",
	Custom : "this.Exec(value, getAttribute('regexp'))",
	Group : "this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))",
	ErrorItem : [document.forms[0]],
	ErrorMessage : ["验证提示如下：\t\t\t\t"],
	Validate : function(theForm, mode){
		var obj = theForm || event.srcElement;
		var count = obj.elements.length;
		this.ErrorMessage.length = 1;
		this.ErrorItem.length = 1;
		this.ErrorItem[0] = obj;
		for(var i=0;i<count;i++){
			with(obj.elements[i]){
				var _dataType = getAttribute("dataType");
				if(typeof(_dataType) == "object" || typeof(this[_dataType]) == "undefined")  continue;
				this.ClearState(obj.elements[i]);
				if(getAttribute("require") == "false" && value == "") continue;
				switch(_dataType){
					case "Date" :
					case "Repeat" :
					case "Range" :
					case "Compare" :
					case "Custom" :
					case "Group" : 
					case "Limit" :
					case "LimitB" :
					case "SafeString" :
						if(!eval(this[_dataType]))	{
							this.AddError(i, getAttribute("msg"));
						}
						break;
					default :
						if(!this[_dataType].test(value)){
							this.AddError(i, getAttribute("msg"));
						}
						break;
				}
			}
		}
		if(this.ErrorMessage.length > 1){
			mode = mode || 1;
			var errCount = this.ErrorItem.length;
			switch(mode){
			case 2 ://把输入错误的控件内容设置为红色,设置焦点到没有隐藏的第一个控件
				for(var i=1;i<errCount;i++)
				{
					this.ErrorItem[i].style.color = "red";
					if(obj==null && this.ErrorItem[i].style.visibility!="hidden")
					{
						obj=this.ErrorItem[i];
					}
				}
				if(obj!=null)
				{
					obj.focus();
				}
			case 1 ://弹出窗口显示内容错误信息，设置焦点到没有隐藏的第一个控件
				alert(this.ErrorMessage.join("\n"));
				try
				{
					if(this.ErrorItem[1].style.visibility=="hidden")
					{
						//隐藏了就不设置焦点
					}
					else
					{
						this.ErrorItem[1].focus();
					}
				}
				catch(e)
				{
					alert(e.description);
				}
				break;
			case 3 ://弹出窗口显示内容错误信息，同时出错控件后面也显示错误，设置焦点到没有隐藏的第一个控件
				for(var i=1;i<errCount;i++)
				{
					try
					{
						var span = document.createElement("SPAN");
						span.id = "__ErrorMessagePanel";
						span.style.color = "red";
						this.ErrorItem[i].parentNode.appendChild(span);
						span.innerHTML = this.ErrorMessage[i].replace(/\d+:/,"*");
						
						if(obj==null && this.ErrorItem[i].style.visibility!="hidden")
						{
							obj=this.ErrorItem[i];
						}
					}
					catch(e)
					{
						alert(e.description);
					}
				}
				alert(this.ErrorMessage.join("\n"));
				try
				{
					if(obj!=null)
					{
						obj.focus();
					}
				}
				catch(e)
				{
					
				}
				break;
			default :
				alert(this.ErrorMessage.join("\n"));
				break;
			}
			return false;
		}
		return true;
	},
	limit : function(len,min, max){
		min = min || 0;
		max = max || Number.MAX_VALUE;
		return min <= len && len <= max;
	},
	LenB : function(str){
		return str.replace(/[^\x00-\xff]/g,"**").length;
	},
	ClearState : function(elem){
		with(elem){
			if(style.color == "red")
				style.color = "";
			var lastNode = parentNode.childNodes[parentNode.childNodes.length-1];
			if(lastNode.id == "__ErrorMessagePanel")
				parentNode.removeChild(lastNode);
		}
	},
	AddError : function(index, str){
		this.ErrorItem[this.ErrorItem.length] = this.ErrorItem[0].elements[index];
		this.ErrorMessage[this.ErrorMessage.length] = this.ErrorMessage.length + ":" + str;
	},
	Exec : function(op, reg){
		return new RegExp(reg,"g").test(op);
	},
	compare : function(op1,operator,op2){
		switch (operator) {
			case "NotEqual":
				return (op1 != op2);
			case "GreaterThan":
				return (op1 > op2);
			case "GreaterThanEqual":
				return (op1 >= op2);
			case "LessThan":
				return (op1 < op2);
			case "LessThanEqual":
				return (op1 <= op2);
			default:
				return (op1 == op2);            
		}
	},
	MustChecked : function(name, min, max){
		var groups = document.getElementsByName(name);
		var hasChecked = 0;
		min = min || 1;
		max = max || groups.length;
		for(var i=groups.length-1;i>=0;i--)
			if(groups[i].checked) hasChecked++;
		return min <= hasChecked && hasChecked <= max;
	},
	IsDate : function(op, formatString){
		formatString = formatString || "ymd";
		var m, year, month, day;
		switch(formatString){
			case "ymd" :
				m = op.match(new RegExp("^\\s*((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})\\s*$"));			
				if(m == null ) return false;
				day = m[6];
				month = m[5]--;
				year =  (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
				break;
			case "dmy" :
				m = op.match(new RegExp("^\\s*(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))\\s*$"));
				if(m == null ) return false;
				day = m[1];
				month = m[3]--;
				year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
				break;
			default :
				break;
		}
		var date = new Date(year, month, day);
        return (typeof(date) == "object" && year == date.getFullYear() && month == date.getMonth() && day == date.getDate());
		function GetFullYear(y){return ((y<30 ? "20" : "19") + y)|0;}
	}
 }
 
 
 function chkNumber(datastr)
{
	var patrn=/^[0-9]{1,20}$/;
	if(!patrn.exec(datastr)) 
	{
		alert("无效的整型数值");
		return false;
	}
		else
	{
		return true;
	}
}
	
 function chkDouble(datastr)
{
	var patrn=/^[-\+]?\d+(\.\d+)?$/;
	if(!patrn.exec(datastr)) 
	{
		alert("无效的浮点型值");
		return false;
	}
		else
	{
		return true;
	}			
}
 function chkDate(datestr)
 {
	    var lthdatestr;
		var sDateInput;
		sDateInput=new Date("May 15,1995");
		lthdatestr=datestr.length;
		var tmpy="";				//年
		var tmpm="";                //月
		var tmpd="";				//日
		var status;
		status=0;
		if(datestr.indexOf(".") > 0)
		{
			window.alert("无效的日期格式！");
			return false;
		}
		if(datestr.charAt(4)!='-') 
		{
			window.alert("无效的日期格式！");
			return false;
		}
		
		if(!(datestr.charAt(6)=='-' || datestr.charAt(7)=='-'))
		{
			window.alert("无效的日期格式！");
			return false;
		}
		for (i=0;i<lthdatestr;i++)
		{ 
			
			if (datestr.charAt(i)== '-')
				{
					status++;
				}
			if (status>2)
				{
					window.alert("无效的日期格式！");
					return false;
				}
			if ((status==0) && (datestr.charAt(i)!='-'))
				{
					tmpy=tmpy+datestr.charAt(i);			//得到"年"字符串
					
				}
			if ((status==1) && (datestr.charAt(i)!='-'))
				{
					tmpm=tmpm+datestr.charAt(i);			//得到"月"字符串
					
				}
			if ((status==2) && (datestr.charAt(i)!='-'))
				{
					tmpd=tmpd+datestr.charAt(i);			//得到"日"字符串
					
				}

		}
		if( (parseInt(tmpy) < 1900) || (parseInt(tmpy) > 2200) )
		{
			window.alert("无效的日期格式！")
			return false;
		}
		
		
		year=new String(tmpy);
		month=new String(tmpm);
		day=new String(tmpd);
		if(!(chkNumber(month)))
		{
			window.alert("无效的日期格式！");
			return false;
		}
			
		sDateInput.setFullYear(parseInt(tmpy,10));
		sDateInput.setMonth(parseInt(tmpm,10)-1);
		sDateInput.setDate(parseInt(tmpd,10));
		
		if((sDateInput.getFullYear()==year) && (sDateInput.getMonth()==(parseInt(month,10)-1)) && (sDateInput.getDate()==day))
			return true;
		else
		    window.alert("无效的日期格式！")
			return false;	
			
		return true;	
	}