// JavaScript Document
   var ELpntr=false;

   function showHide(EL,PM)
   {
      ELpntr=document.getElementById(EL);
      if (ELpntr.style.display=='none')
      {
         document.getElementById(PM).innerHTML='-';
         ELpntr.style.display='';
      }
      else
      {
         document.getElementById(PM).innerHTML='+ ';
         ELpntr.style.display='none';
      }
   }