function changeImage(itemID) {

 if (document.getElementById(itemID+"Expand").style.display == "none")
         {
           document.getElementById(itemID+"Expand").style.display  = "inline";
            document.getElementById(itemID+"Collapse").style.display  = "none";
         }
          else 
         {
            document.getElementById(itemID+"Expand").style.display  = "none";
            document.getElementById(itemID+"Collapse").style.display  = "inline";
        }

    }
function toggle_it(itemID){ 
      // Toggle visibility between none and inline 
      try{
      if ((document.getElementById(itemID).style.display == 'none')) 
      { 
        document.getElementById(itemID).style.display = 'block'; 
      } else { 
        document.getElementById(itemID).style.display = 'none'; 
      } 
      }catch(e){}
  }