// JavaScript Document
function ShowMenu(obj){
      if(document.getElementById){
            var el = document.getElementById(obj);
                  el.style.visibility = "visible";
				  //el.style.display = '';
      }
}

function HideMenu(obj){
      if(document.getElementById){
            var el = document.getElementById(obj);
                  el.style.visibility = "hidden";
				  //el.style.display = 'none';
      }
}