Validator = {
	
	Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
	Email2 : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
	IsEmail : function(str){ if (str =='' ) {return true;} else {return this.Email2.test(str);} },
	EmptyEmail : "this.IsEmail(value)",
	Phone : /^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/,
	Mobile : /^((\(\d{2,3}\))|(\d{3}\-))?13\d{9}$/,
	Url : /^(https?:\/\/)?[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
	IdCard : "this.IsIdCard(value)",
	Currency : /^\d+(\.\d+)?$/,
	Number : /^\d+$/,
	Zip : /^[1-9]\d{5,}$/,
	QQ : /^[1-9]\d{4,8}$/,
	Integer : /^[-\+]?\d+$/,
	Double : /^[-\+]?\d+(\.\d+)?$/,
	English : /^[A-Za-z]+$/,
	Chinese :  /^[\u0391-\uFFE5]+$/,
	Username : /^[a-z]\w{3,}$/,
	UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
	IsSafe : function(str){return !this.UnSafe.test(str);},
	SafeString : "this.IsSafe(value)",
	Filter : "this.DoFilter(value, getAttribute('accept'))",
	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|0) && (value|0) <= 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 : ["\t\t\t\t"],
	
	Validate : function(theForm){
		var obj = theForm || event.srcElement;
		var count = obj.elements.length;
		this.ErrorMessage.length = 0;
		this.ErrorItem.length = 1;
		this.ErrorItem[0] = obj;
		for(var i=0;i<count;i++){
			with(obj.elements[i]){
				var _dataType = getAttribute("dataType");
				if(getAttribute("require") == "true"){
					if(value.trim() == ""){
						this.AddError(i, getAttribute("field"), 'text');
						this.showErr(obj.elements[i]);
						continue;
					}
					else{
						this.showOk(obj.elements[i]);
					}
				}
				if(getAttribute("require") == "select"){
					if(value == "") {
						this.AddError(i, getAttribute("field"), 'select');
						this.showErr(obj.elements[i]);
					} else {
						this.showOk(obj.elements[i]);
					}
				}
				if(getAttribute("require") == "check"){
					var iptthis = obj.elements[i];
					var group = $(iptthis).parents('form').find('input[field='+ getAttribute("field") +']:checked');
					if(!group.length) {
						if($(iptthis).parents('form').find('input[field='+ getAttribute("field") +']').length){
							this.AddError(i, getAttribute("field"), 'checkboxes');
						} else {
							this.AddError(i, getAttribute("field"), 'check');
						}
						this.showErr(obj.elements[i]);
					} else {
						this.showOk(obj.elements[i]);
					}					
				}
				if(getAttribute("require") == "compare"){
					if(value == "") {
						this.AddError(i, getAttribute("field"), 'text');
						this.showErr(obj.elements[i]);
					} else if(document.getElementById(getAttribute("compare")).value != value) {
						this.AddError(i, document.getElementById(getAttribute("compare")).getAttribute("field"), 'compare');
						this.showErr(obj.elements[i]);
					} else {
						this.showOk(obj.elements[i]);
					}
				}
				if(typeof(_dataType) == "object" || typeof(this[_dataType]) == "undefined") continue;
				this.showOk(obj.elements[i]);
				this.ClearState(obj.elements[i]);
				if(value != ""){
					switch(_dataType){
						case "IdCard" :
						case "Date" :
						case "Repeat" :
						case "Range" :
						case "Compare" :
						case "Custom" :
						case "Group" : 
						case "Limit" :
						case "LimitB" :
						case "SafeString" :
						case "EmptyEmail" :
						case "Filter" :
							if(!eval(this[_dataType])){
								this.AddError(i, getAttribute("field"), 'valid');
							}
							break;
						default :
							if(!this[_dataType].test(value)){
								this.AddError(i, getAttribute("field"), 'valid');
							}
							break;
					}
				}
			}
		}
		if(this.ErrorMessage.length > 0){
			var errCount = this.ErrorItem.length;
			for(var i=1;i<errCount;i++) {
				this.showErr(this.ErrorItem[i]);
			}
			alert(this.ErrorMessage.join("\n"));
			this.ErrorItem[1].focus();
			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){
			var lastNode = parentNode.childNodes[parentNode.childNodes.length-1];
			if(lastNode.id == "__ErrorMessagePanel")
				parentNode.removeChild(lastNode);
		}
	},
	AddError : function(index, name, mode){
		this.ErrorItem[this.ErrorItem.length] = this.ErrorItem[0].elements[index];
		var message = '';
		switch(mode){
			default:
			case 'text':
				message =  'Please enter the ' + name + '.';
			break;

			case 'valid':
				message =  'Please enter a valid ' + name + '.';
			break;

			case 'select':
				message = 'Please select the ' + name + '.';
			break;

			case 'compare':
				message =  'You have entered a different ' + name + '.';
			break;

			case 'check':
				message =  'Please choose ' + name + '.';
			break;

			case 'checkboxes':
				message =  name + '.';
			break;
		}

		for(var i = 0; i < this.ErrorMessage.length; i++){
			if(this.ErrorMessage[i] == message){
				message = '';
			}
		}
		if(message != ''){
			this.ErrorMessage[this.ErrorMessage.length] = message;
		}
	},
	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;
	},
	DoFilter : function(input, filter){
		return new RegExp("^.+\.(?=EXT)(EXT)$".replace(/EXT/g, filter.split(/\s*,\s*/).join("|")), "gi").test(input);
	},
	IsIdCard : function(number){
		var date, Ai;
		var verify = "10x98765432";
		var Wi = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
		var area = [];
		var re = number.match(/^(\d{2})\d{4}(((\d{2})(\d{2})(\d{2})(\d{3}))|((\d{4})(\d{2})(\d{2})(\d{3}[x\d])))$/i);
		if(re == null) return false;
		if(re[1] >= area.length || area[re[1]] == "") return false;
		if(re[2].length == 12){
			Ai = number.substr(0, 17);
			date = [re[9], re[10], re[11]].join("-");
		}
		else{
			Ai = number.substr(0, 6) + "19" + number.substr(6);
			date = ["19" + re[4], re[5], re[6]].join("-");
		}
		if(!this.IsDate(date, "ymd")) return false;
		var sum = 0;
		for(var i = 0;i<=16;i++){
			sum += Ai.charAt(i) * Wi[i];
		}
		Ai +=  verify.charAt(sum%11);
		return (number.length ==15 || number.length == 18 && number == Ai);
	},
	IsDate : function(op, formatString){
		formatString = formatString || "ymd";
		var m, year, month, day;
		switch(formatString){
			case "ymd" :
				m = op.match(new RegExp("^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$"));
				if(m == null ) return false;
				day = m[6];
				month = m[5]*1;
				year =  (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
				break;
			case "dmy" :
				m = op.match(new RegExp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));
				if(m == null ) return false;
				day = m[1];
				month = m[3]*1;
				year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
				break;
			default :
				break;
		}
		if(!parseInt(month)) return false;
		month = month==0 ?12:month;
		var date = new Date(year, month-1, day);
        return (typeof(date) == "object" && year == date.getFullYear() && month == (date.getMonth()+1) && day == date.getDate());
		function GetFullYear(y){return ((y<30 ? "20" : "19") + y)|0;}
	},
	showOk : function(el){
		with(el){
			var lb = this.getLabel(el);
			if(lb) lb.style.color = "";
			style.borderColor = "";
		}
	},
	showErr : function(el){
		with(el){
			var lb = this.getLabel(el);
			if(lb) lb.style.color = "red";
			style.borderColor = "red";
		}
	},

	getLabel : function(el){
		var labels = document.getElementsByTagName('label');
		for(var i=0; i<labels.length; i++){
			if(labels[i].getAttribute('for') == el.id){
				return labels[i];
			}
		}
		return null;
	}
}