var currentMenu=null;
    var currentMenuItem=null;  
    var currentTimeout=null;
    var canHide=false;
    function mEnter(e) {
      e.style.background='#000000';
      e.style.color='#FFFFFF';
    }
    function mExit(e) {
      e.style.background='#FFFFFF';
      e.style.color='#000000';
    }
    function showMenu(menuid, m) {
      if (currentTimeout!=null) {
        clearTimeout(currentTimeout);
        canHide=true;
        hideMenu();
      }
      var menubar=document.getElementById('menubar');
      var menu=document.getElementById(menuid);
      canHide=false;
      currentMenu=menu;    
      currentMenuItem=m;
      //mEnter(m);
      var x=menubar.offsetLeft+m.offsetLeft;;
      //var y=menubar.offsetTop+m.offsetTop+5;
      var y=35;
      //var x=event.clientX-25;
	  //if (x<0) x=1;
      //var y=event.clientY+3;
      menu.style.left=x+'px';
      menu.style.top=y+'px';
      menu.style.visibility='visible';
      currentTimeout=setTimeout('hideMenu()',1000);
    }
    function hideMenu() {
      if (currentMenu != null && currentMenuItem != null && canHide) {
        currentMenu.style.visibility='hidden';
        mExit(currentMenuItem);
        currentMenu=null;
        currentMenuItem=null;
        canHide=false;
      } else currentTimeout= setTimeout('hideMenu()',1000);
    }