var hideTimer = null;
var hideStamp = 500;

function showMenu( id, base )
{
    menuClearHideTimer();
    
  //  alert(id + ' ' + base);
    
   menuHideAll();

   var el = document.getElementById('menu_'+ id);
   el.style.display = 'block';
  //  el.style.left = $ol( base ) - 150 + "px";
  //  el.style.top = ( $ot( base ) + parseInt( base.offsetHeight ) -50 ) + "px";

};


function hideMenu( id )
{
    hideTimer = setTimeout( "hideMenuEx("+ id +");", hideStamp );
};


function hideMenuEx( id )
{
    var el = document.getElementById('menu_'+ id);
    el.style.display = 'none';
};


function menuClearHideTimer()
{
    try{ clearTimeout( hideTimer ); }catch(e){}
};


function menuHideAll()
{
    var i = 1;
    while( document.getElementById('menu_'+ i) != null )
    {
        hideMenuEx( i ); i++;
    }
};