/*help function*/

function openhelp()
{
 var help;
 try{
      help=document.getElementById("help");
      help.style.display = "block";
     } catch(e) {};

}

function closehelp()
{
 var help;
 try{
      help=document.getElementById("help");
      help.style.display = "none";
     } catch(e) {};

}