function clientSideInclude(id, url) {
  var req = false;
  // For Safari, Firefox, and other non-MS browsers
  if (window.XMLHttpRequest) {
    try {
      req = new XMLHttpRequest();
    } catch (e) {
      req = false;
    }
  } else if (window.ActiveXObject) {
    // For Internet Explorer on Windows
    try {
      req = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        req = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (e) {
        req = false;
      }
    }
  }
 var element = document.getElementById(id);
 if (!element) {
  alert("Bad id " + id + 
   "passed to clientSideInclude." +
   "You need a div or span element " +
   "with this id in your page.");
  return;
 }
  if (req) {
    // Synchronous request, wait till we have it all
    req.open('GET', url, false);
    req.send(null);
    element.innerHTML = req.responseText;
  } else {
    element.innerHTML =
   "Sorry, your browser does not support " +
      "XMLHTTPRequest objects. This page requires " +
      "Internet Explorer 5 or better for Windows, " +
      "or Firefox for any system, or Safari. Other " +
      "compatible browsers may also exist.";
  }
}

					
					var timeout	= 500;
					var closetimer	= 0;
					var ddmenuitem	= 0;
					
					// open hidden layer
					function mopen(id)
					{	
						// cancel close timer
						mcancelclosetime();
					
						// close old layer
						if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
					
						// get new layer and show it
						ddmenuitem = document.getElementById(id);
						ddmenuitem.style.visibility = 'visible';
					
					}
					// close showed layer
					function mclose()
					{
						if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
					}
					
					// go close timer
					function mclosetime()
					{
						closetimer = window.setTimeout(mclose, timeout);
					}
					
					// cancel close timer
					function mcancelclosetime()
					{
						if(closetimer)
						{
							window.clearTimeout(closetimer);
							closetimer = null;
						}
					}
					
					// close layer when click-out
					document.onclick = mclose;