Validator = {
	Require : /.+/,
	Account : /^[a-zA-Z](\w{2,11})$/,
	Password : /^\w{6,12}$/,
	Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
	Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
	vipcard : /^[a-zA-Z][0-9]{6}$/,
	Currency : /^\d+(\.\d+)?$/,
	Number : /^\d+$/,
	CompareNumber : /^((>)|(>=)|(=)|(<)|(<=))\d+$/,
	Integer : /^[-\+]?\d+$/,
	Double : /^[-\+]?\d+(\.\d+)?$/,
	English : /^[A-Za-z ]+$/,
	Chinese :  /^[\u0391-\uFFE5]+$/,
	UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
	IsSafe : function(str){return !this.UnSafe.test(str);},
	SafeString : "this.IsSafe(value)",
	ID : "this.IsID(value)",
	Date : "this.IsDate(value, getAttribute('min'), getAttribute('format'))",
	DateSimple : /^\d{4}((\/\d{2})?\/\d{2})?$/,
	DateRange : "this.IsDates(value)",
	Limit : "this.limit(value.length,getAttribute('min'),  getAttribute('max'))",
	LimitB : "this.limit(this.LenB(value), getAttribute('min'), getAttribute('max'))",
	Repeat : "value == document.getElementsByName(getAttribute('to'))[0].value",
	Range : "parseInt(getAttribute('min'),10) <= parseInt(value,10) && parseInt(value,10) <= parseInt(getAttribute('max'),10)",
	Compare : "this.compare(value,getAttribute('operator'),getAttribute('to'))",
	Reference: "!(document.getElementsByName(getAttribute('to'))[0].value=='' ^ value=='')",
	Custom : "this.Exec(value, getAttribute('regexp'))",
	Group : "this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))",
	ErrorItem : [document.forms[0]],
	ErrorMessage : ["錯誤訊息：\t\t\t\t"],
	Validate : function(theForm, mode){
		var obj = theForm || event.srcElement;
		var count = obj.elements.length;
		var prechk = (mode == null);
		var firstelement;
		mode = mode || 4;
		this.ErrorMessage.length = 1;
		this.ErrorItem.length = 1;
		this.ErrorItem[0] = obj;
		for(var i=0;i<count;i++){
			if(firstelement == null){
				if(obj.elements[i].type != 'hidden') firstelement = obj.elements[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;
				if(mode==4 && getAttribute("require")!="true") continue;
				if(mode==4 && getAttribute("require")=="true") { this.AddError(i, getAttribute("msg")); continue; }
				switch(_dataType){
					case "Date" :
					case "ID" :
					case "DateRange" :
					case "Repeat" :
					case "Reference" :
					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){
			var errCount = this.ErrorItem.length;
			switch(mode){
			case 2 :
				for(var i=1;i<errCount;i++)
					this.ErrorItem[i].style.color = "red";
			case 1 :
				alert(this.ErrorMessage.join("\n"));
				this.ErrorItem[1].focus();
				break;
			case 4 :
			case 3 :
				for(var i=1;i<errCount;i++){
				try{
					var span = document.createElement("SPAN");
					span.className = "errmsg";
					//span.style.color = "red";
					this.ErrorItem[i].parentNode.appendChild(span);
					span.innerHTML = this.ErrorMessage[i].replace(/\d+:/,"*");
					}
					catch(e){alert(e.description);}
				}
				if(this.ErrorItem[1].type!="hidden") {
					if(!prechk) this.ErrorItem[1].focus(); else firstelement.focus();
				}
				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.className == "errmsg")
				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 "!=":
				return (op1 != op2);
			case ">":
				return (op1 > op2);
			case ">=":
				return (op1 >= op2);
			case "<":
				return (op1 < op2);
			case "<=":
				return (op1 <= op2);
			default:
				return (op1 == op2);            
		}
	},
	IsID : function(data){
		if(new RegExp("^[a-zA-Z][12][0-9]{8}$", "g").test(data)) {
			//算出開頭英文字母的地區代碼
			var x = 10+"abcdefghjklmnpqrstuvxywzio".indexOf(data.charAt(0).toLowerCase());
			//檢查碼1=地區代碼十位數的數字+(個位數的數字x9) 
			var chksum = (x-(x%10))/10+(x%10)*9;
			//檢查碼2=身分數字部分依序乘上8,7,6,5,4,3,2,1然後加起來 
			//如n123033877就是1*8+2*7+3*6+...+7*1 
			for(var i=1; i<9; i++){ 
				chksum+= data.charAt(i)*(9-i);
			}
			//檢查碼=用10減去檢查碼1+檢查碼2的個位數,再取其個位數 
			//然後用最後的檢查碼和身分證字號的最後一個數字比較 
			//如果相同就是對的,不同就是錯的 
			chksum=(10-chksum%10)%10;
			if(chksum==data.charAt(9))return true;
		};
		return false; 
	},
	MustChecked : function(name, min, max){
		var groups = document.getElementsByName(name);
		var hasChecked = 0;
		min = min || 1;
		max = max || groups.length;
		for(var i=groups.length-1;i>=0;i--)
			if(groups[i].checked) hasChecked++;
		return min <= hasChecked && hasChecked <= max;
	},
	IsDates : function(op){
		var dates=op.split('-');
		for(var i=0;i<dates.length;i++)
			{ if(!this["DateSimple"].test(dates[i])) return false; }
		return true;
	},
	IsDate : function(op, formatString){
		formatString = formatString || "ymd";
		var m, year, month, day;
		switch(formatString){
			case "ymd" :
				m = op.match(new RegExp("^((\\d{4})|(\\d{2}))(/)(\\d{1,2})\\4(\\d{1,2})$"));
				if(m == null ) return false;
				day = m[6];
				month = m[5]--;
				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]--;
				year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
				break;
			default :
				break;
		}
		if(!parseInt(month)) return false;
		month--;
		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 testobj(obj) {
	var str = "";
	for(var i in obj)
		if(obj[i]!=undefined)
			str+=i + ':' + obj[i] + ',';
	alert(str);	
}