function Trim(str){
 	str =CtoH(str);	 
 	return str.replace(/^\s*|\s*$/g,"");
 }
 function CtoH(str){ 	   
	var result="";
	for (var i = 0; i < str.length; i++){
	if (str.charCodeAt(i)==12288){
	result+= String.fromCharCode(str.charCodeAt(i)-12256);
	continue;
	}
	if (str.charCodeAt(i)>65280 && str.charCodeAt(i)<65375)
	result+= String.fromCharCode(str.charCodeAt(i)-65248);
	else result+= String.fromCharCode(str.charCodeAt(i));
	} 
	return result;
}
  
function GetCookieVal(offset){
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
	endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
	}
	function SetCookie(name, value,h){	
		var expdate = new Date();	 
		var argv = SetCookie.arguments;
		var argc = SetCookie.arguments.length;
		var expires = (argc > 2) ? argv[2] : null;
		var path = (argc > 3) ? argv[3] : null;
		var domain = (argc > 4) ? argv[4] : null;
		var secure = (argc > 5) ? argv[5] : false;
		if(expires!=null) expdate.setTime(expdate.getTime() + ( (h+8)*3600000 ));		 
		document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
		+((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
		+((secure == true) ? "; secure" : "");
	}
	function DelCookie(name){
		var exp = new Date();
		exp.setTime (exp.getTime()-1);
		var cval = GetCookie (name);	 
		document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
	}
	 function GetCookie(name){
		var arg = name + "=";	 
		var alen = arg.length;
		var clen = document.cookie.length;
		var i = 0;
		while (i < clen){
			var j = i + alen;
			if (document.cookie.substring(i, j) == arg)
			return GetCookieVal (j);
			i = document.cookie.indexOf(" ", i) + 1;
			if (i == 0) break;
		}
	   return null;
	}