function get_cookie(name)
			{
				var cookiehead=name+"=";
				var cookiestring=new String(document.cookie);
				var urls;
				var xurls;
				var xurl=null;
				var i=cookiestring.indexOf(cookiehead);
				if(i!=-1){
								
					xurls=cookiestring.substring(i+cookiehead.length);
					
					urls=xurls.split(";");
					if(urls.length>0)
						xurl=urls[0];
					else
						xurl=xurls;
					}
						

				return xurl;
			  
			  
			}
			function resetCookies(value)
			{
				var name=document.all["uid"].value+"_"+document.all["touid"].value;
				set_cookie(name,value);
			}
			function set_cookie(name,value)
			{
				var expDays =1;
				var exp = new Date(); 
				exp.setTime(exp.getTime() + (expDays*24*60*60*1000));//1tian 
				document.cookie=name+"="+value+";expires=" + exp.toGMTString() +";path=/";
			}