//------------- Show Menu
function ShowMenu(id){
var e=document.getElementById(id);
if(e){
  e.style.visibility='visible';  
  e.tag=0;
}
}
//------------- SubMenu Enter
function SubMenuEnter(id){
var e=document.getElementById(id);
if(e){e.tag=1;}
}
//------------- SubMenu Exit
function SubMenuExit(id){
var e=document.getElementById(id);
if(e){e.style.visibility='hidden';}
}
//------------- SubMenu Hide
function SubMenuHide(id){
var e=document.getElementById(id);
if(e){if(e.tag < 1){e.style.visibility='hidden';}}
}