//Name        : set_cookie
//Description : store cookie data
//Parameters  : name, value, expire in days
//Comments    : - 
function set_cookie (name,value,expire){
   var exp = new Date();    //today's date
   var cookieTimeToLive = exp.getTime() + (expire * 24 * 60 * 60 * 1000);
   exp.setTime(cookieTimeToLive);
   scookie=(name+"="+escape(value)+";expires="+exp.toGMTString());
   document.cookie=scookie;
//   alert (scookie);
}//set_cookie   


//Name        : get_cookie
//Description : get cookie data
//Parameters  : name
//Return      : cookie value
//Comments    : - 

function get_cookie (name){
   var cookieNameLen = name.length;
   var cLen = document.cookie.length;
   var i = 0;
   var cEnd;
   var myStringToReturn;
   var myStringToReturnLen;

   while (i < cLen) {
      var j = i + cookieNameLen;
      if (document.cookie.substring(i,j) == name) {
         cEnd = document.cookie.indexOf(";",j);
            if (cEnd == -1) {
               cEnd = document.cookie.length;
            }
         myStringToReturn = unescape(document.cookie.substring(j,cEnd));
         myStringToReturnLen = myStringToReturn.length;
         myStringToReturn = myStringToReturn.substring(1,myStringToReturnLen+1);
         return myStringToReturn;
      }
      i++;
   }
   return "";
}//get_cookie