menu_status=new Array();
function showHide(theid){

 if(theid != 'mymenu1')
   document.getElementById('mymenu1').style.display = 'none';
 if (document.getElementById(theid).style.display == 'block')
 {   
 document.getElementById(theid).style.display = 'none';
 }
 else
 {
 document.getElementById(theid).style.display = 'block';
 }
 return false;
 }