function cookieCheck(cookieName) {
	var start,last,nameLength,cookieValue;
	var getValue=document.cookie;

	start=getValue.indexOf(cookieName);
	nameLength=cookieName.length;

	if(start!=-1) {
	  start+=nameLength+1;
	  last=getValue.indexOf(";",start);

	  if(last!=-1)  {
	      cookieValue=getValue.substring(start,last);
	  } else {
	      last=getValue.length;
	      cookieValue=getValue.substring(start,last);
	  }

	 if(cookieValue.length > 500)
	   return true;
	 else
	   return false;

       } else
	   return false;
}