function BakeCookie(name,value,days) 
{ 
 var today = new Date (); 
 var expdate = new Date (); 
 expdate.setTime(expdate.getTime() + (1 * 24 * 60* 60 * 1000 * days )); 
 expdate=expdate.toGMTString(); 
 document.cookie=name+"="+value+";expires="+expdate+";" 
} 

function ServeCookie(name)
{ 
 var namestr = name + "=" 
 var namelen = namestr.length 
 var cooklen = document.cookie.length 
 var i = 0 
 while (i < cooklen) 
 { var j = i + namelen 
 if (document.cookie.substring(i, j) == namestr) 
 { endstr = document.cookie.indexOf (";", j) 
 if (endstr == -1) {endstr = document.cookie.length} 
 return unescape(document.cookie.substring(j,endstr)) 
 } 
 i = document.cookie.indexOf(" ", i) + 1 
 if (i == 0) break 
 } 
return null 
}