function setcookievalue(name,value){
  document.cookie=name+"="+value+";"+"expires=Wednesday, 09-Nov-99 23:12:40 GMT" 
  }

function getcookievalue(name){
  var temp=document.cookie+";";
  var Pos=temp.indexOf("=",temp.indexOf(name+"="));

  if (temp.indexOf(name+"=")==-1) return "";
  return temp.substring(Pos+1,temp.indexOf(";",Pos));   
  }