var act; 
function over(s,nMax){ 
  var obj=document.getElementById(s); 
  var h = parseInt(obj.offsetHeight); 
  if (h < nMax){ 
    obj.style.height = (h + 2)+"px"; 
	obj.style.background = "url(IMAGES/menu_bg_2.gif) no-repeat 0 left";
    clearTimeout(act); 
    act = setTimeout("over('"+s+"',"+nMax+")", 2); 
  } 
} 
function out(s,nMin){ 
  var obj=document.getElementById(s); 
  var h = parseInt(obj.offsetHeight); 
  if (h > nMin){ 
    obj.style.height = (h - 2)+"px"; 
	obj.style.background = "url(IMAGES/menu_bg_1.gif) no-repeat 0 left";
    clearTimeout(act); 
    act = setTimeout("out('"+s+"',"+nMin+")", 2); 
  } 
}