function showandhidemenu(submenus)
 { 
 //alert(document.getElementById("directorysubmenu").style.display);
 if(document.getElementById("directorysubmenu").style.display=="none")
 {
 document.getElementById("directorysubmenu").style.display="";
 }
 else
 {
 document.getElementById("directorysubmenu").style.display="none";
 }
 }
 
 
  function showandhidemenua(submenus)
 { 
 //alert(document.getElementById("directorysubmenu").style.display);
 if(document.getElementById("directorysubmenua").style.display=="none")
 {
 document.getElementById("directorysubmenua").style.display="";
 }
 else
 {
 document.getElementById("directorysubmenua").style.display="none";
 }
 }
 
   function showandhidemenub(submenus)
 { 
 //alert(document.getElementById("directorysubmenu").style.display);
 if(document.getElementById("directorysubmenub").style.display=="none")
 {
 document.getElementById("directorysubmenub").style.display="";
 }
 else
 {
 document.getElementById("directorysubmenub").style.display="none";
 }
 }