Validator = {
	isNameTaken : /.+/,
	Require : /.+/,
	Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
	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 : /^http:\/\/[\w-]+\.[\w-]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
	IdCard : "this.IsIdCard(value)",
	Currency : /^\d+(\.\d+)?$/,
	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]+$/,
	Username : /^[a-z]\w{3,}$/i,
	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 : ["以下原因导致提交失败：\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 "isNameTaken" :
					case "IdCard" :
					case "Date" :
					case "Repeat" :
					case "Range" :
					case "Compare" :
					case "Custom" :
					case "Group" : 
					case "Limit" :
					case "LimitB" :
					case "SafeString" :
					case "Filter" :
						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 :
				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 3 :
				for(var i=1;i<errCount;i++){
				try{
					var span = document.createElement("DIV");
					span.id = "__ErrorMessagePanel";
					span.style.color = "#E48C88";
					this.ErrorItem[i].parentNode.appendChild(span);
					span.innerHTML = this.ErrorMessage[i].replace(/\d+:/,"*");
					}
					catch(e){alert(e.description);}
				}
				this.ErrorItem[1].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 == "#E48C88")
				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;
	},
	
	DoFilter : function(input, filter){
return new RegExp("^.+\.(?=EXT)(EXT)$".replace(/EXT/g, filter.split(/\s*,\s*/).join("|")), "gi").test(input);
	},
	IsIdCard : function(number){
		var date, Ai;
		var verify = "10x98765432";
		var Wi = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
		var area = ['','','','','','','','','','','','北京','天津','河北','山西','内蒙古','','','','','','辽宁','吉林','黑龙江','','','','','','','','上海','江苏','浙江','安微','福建','江西','山东','','','','河南','湖北','湖南','广东','广西','海南','','','','重庆','四川','贵州','云南','西藏','','','','','','','陕西','甘肃','青海','宁夏','新疆','','','','','','台湾','','','','','','','','','','香港','澳门','','','','','','','','','国外'];
		var re = number.match(/^(\d{2})\d{4}(((\d{2})(\d{2})(\d{2})(\d{3}))|((\d{4})(\d{2})(\d{2})(\d{3}[x\d])))$/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() && day == date.getDate());
function GetFullYear(y){return ((y<30 ? "20" : "19") + y)|0;}
}
}

function AJAXRequest() {
	var xmlObj = false;
	var CBfunc,ObjSelf;
	ObjSelf=this;
	try { xmlObj=new XMLHttpRequest; }
	catch(e) {
		try { xmlObj=new ActiveXObject("MSXML2.XMLHTTP"); }
		catch(e2) {
			try { xmlObj=new ActiveXObject("Microsoft.XMLHTTP"); }
			catch(e3) { xmlObj=false; }
		}
	}
	if (!xmlObj) return false;
	this.method="POST";
	this.url;
	this.async=true;
	this.content="";
	this.callback=function(cbobj) {return;}
	this.send=function() {
		if(!this.method||!this.url||!this.async) return false;
		xmlObj.open (this.method, this.url, this.async);
		if(this.method=="POST") xmlObj.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		xmlObj.onreadystatechange=function() {
			if(xmlObj.readyState==4) {
				if(xmlObj.status==200) {
					ObjSelf.callback(xmlObj);
				}
			}
		}
		if(this.method=="POST") xmlObj.send(this.content);
		else xmlObj.send(null);
	}
}

function isTaken(){
	old_name=document.registrationForm.username.value;
	if(old_name!=""){
		var d, t;
		d = new Date();
		t = d.getTime();
		t = "&rand=" + t
		url="xml_username.php?username="+old_name+t;
		var ajaxobj=new AJAXRequest;    
		ajaxobj.method="GET"; 
		ajaxobj.url=url;
		document.registrationForm.Submit2.disabled="disabled";
		//alert(ajaxobj.url);
		ajaxobj.callback=function(xmlobj) {
			 if(xmlobj.responseText==1){
				document.getElementById("msg").innerHTML="This username is available";
				document.registrationForm.Submit2.disabled="";
			 }else{
				document.getElementById("msg").innerHTML="This username <span class='red'>"+old_name+"</span> is unavailable.";
				document.registrationForm.username.value="";
				document.registrationForm.username.focus();
			 };
		}
		ajaxobj.send();
	};//end of if old_name!="" 
};
function clearyear(){
	if(document.registrationForm.birthDate_yyyy.value=='') document.registrationForm.birthDate_yyyy.value='yyyy';
}
function populateyear(){
	if(document.registrationForm.birthDate_yyyy.value=='yyyy') document.registrationForm.birthDate_yyyy.value='';
}	
function show_http(){
	if(document.registrationForm.Website.value=='') document.registrationForm.Website.value='http:\/\/';
}	
function hid_http(){
	if(document.registrationForm.Website.value=='http:\/\/') document.registrationForm.Website.value='';
}