<!--
	function getNavVersion(){
		var navVersion=navigator.appVersion;
		if(navVersion.indexOf("MSIE",0)>=0){
			var versionLoc=navVersion.indexOf("MSIE",0);
			navVersion=navVersion.substring(versionLoc,navVersion.indexOf(";",versionLoc));
		}else{
			navVersion=navigator.appName+navigator.vendorSub;
		}
		return navVersion;
	}
	function getNavName(){
		return 	navigator.appName;
	}
	function getSystemName(){
		var navVersion=navigator.appVersion;
		var systemName;
		if(navVersion.indexOf("MSIE",0)>=0){
			var sysBegin=navVersion.indexOf("Windows",0);
			var sysEnd=navVersion.indexOf(";",sysBegin-1);
			if(sysEnd>0){
				systemName=navVersion.substring(sysBegin,sysEnd);
			}else{
				systemName=navVersion.substring(sysBegin,navVersion.length-1);
			}
		}else{
			systemName=navigator.appVersion;
		}
		switch(systemName){
			case "Windows 98":
				return "Windows 98"
			case "Windows NT 4.0":
				return "Windows NT"
			case "Windows NT 5.0":
				return "Windows 2000"
			case "Windows NT 5.1":
				return "Windows XP"
			case "5.0 (Windows; en-US)":
				return "Windows 2000"
			default:
				return systemName
		}
	}


	function isEmail(str){
		var sLoc=str.indexOf("@");
		var sLen=str.length;
		if(sLoc>0 && sLoc<sLen){
			var pLoc=str.indexOf(".",sLoc)
			if(pLoc!=-1 && pLoc<sLen-1){
				return true;
			}else{
				return false;
			}
		}else{
			return false;
		}
	}
	function isNumber(str){
		var numStr="0123456789.";
		var pNum=0;
		for(var i=0;i<str.length;i++){
			if(numStr.indexOf(str.charAt(i))==-1){
				return false;
			}
			if(str.charAt(i)=="."){
				pNum++;
			}
		}
		if(str.indexOf(".")==0||str.indexOf(".")==str.length-1||pNum>1){
			return false;
		}
		return true;
	}
	function trim(str){
		for(i=0;i<str.length;i++){
			if(str.charCodeAt(0)==32){
				str=str.substring(1,str.length);
			}
			if(str.charCodeAt(str.length-1)==32){
				str=str.substring(0,str.length-1);
			}
		}
		return str;	
	}
//定位窗口
function locTop(){
	if(top.location==self.location){
		var href=self.location.href;
		var host=self.location.host;
		var url=href.substr(href.indexOf(host)+host.length)
		top.location.replace("/main.asp?url="+url);
	}
}
//-->