function getCookieExpireDate(){
  //var expr = new Date('5/7/2009');
  var expr = new Date();
  var days = 730;
  expr.setTime(expr.getTime() + days*24*60*60*1000); 
  return  expr.toGMTString() 
}
  


function makeCookie(){
  var name = "skipDownloadForm";
  var data = "true";
  var cookieStr = name + "="+ data;// +"; expires=" + getCookieExpireDate();
  document.cookie = cookieStr;
 }



function readCookie(cookieName){
   var searchName = cookieName + "="
   var cookies = document.cookie
   var start = cookies.indexOf(cookieName)
   if (start == -1){ // cookie not found 
     return ""
     }
   start += searchName.length //start of the cookie data
   var end = cookies.indexOf(";", start)
   if (end == -1){
     end = cookies.length
     }
   return cookies.substring(start, end)
 }