function SaveCookie(name,value,days)
{
	var expires = ""
  if (days)
  {
		var d = new Date();
    d.setTime(d.getTime()+(days*24*60*60*1000));
    expires = "; expires=" + d.toGMTString();
   } 
   document.cookie = name + "=" + escape(value) + expires + "; path=/";
}


function ReadCookie(name)
{  
	name += "=";
	var ca = document.cookie.split(';');

  for(i in ca)
  {
		var c = ca[i];

    while (c.charAt(0)==' ') 
			c = c.substring(1,c.length);
			
			if (c.indexOf(name) == 0)
				return unescape(c.substring(name.length,c.length)) 
  }
  return null;
}

function DeleteCookie(name)
{ 
	SaveCookie(name,"",-365)
}