function toggleDropDown(id){
var div=document.getElementById(id);
if(div.className=="slide-show"){
div.className="slide-hide";
}else{
div.className="slide-show";
}
return (false);
}
function hide(id){
return (toggleDropDown(id))
}

function do_out()
{
if(old)
hide_layer(old);
memold=old; old="";
do_submenu();
}

var vis_flag = 0;

window.onload = function () {
  document.getElementById("cat_menu").onclick = function () {
    vis_flag = 1;
    return false;
  }

  document.onclick = function () {
    if (vis_flag == 1)
      hide ("hide0");
    else {
      document.getElementById("hide0").className="slide-hide";
    }
    vis_flag = 0;
  }
}