var openTimeout;
	var closeTimeout;
	var isServiceMenuOpen = false;
	var imgReplacement;
	var imgID;


	function showMenu(whichMenu, imgID, imgReplacement)
	{
		isServiceMenuOpen = true;
		
		clearTimeout(closeTimeout);
		
		if(	document.getElementById(whichMenu).style.display == "none")
		{
			document.getElementById(whichMenu).style.display = "block";
			imageSwap(imgID, imgReplacement);
		}			
	}

	function hideMenu(whichMenu, imgID, imgReplacement)
	{	
		if(whichMenu != null)
		{
			isServiceMenuOpen = false;
			closeTimeout = setTimeout('closeMenu(\'' + whichMenu + '\',\'' + imgID + '\',\'' + imgReplacement + '\')', 50);
		}
	}

	function closeMenu(whichMenu,imgID, imgReplacement)
	{
		if(!isServiceMenuOpen)
		{
			if(document.getElementById(whichMenu).style.display == "block")
			{
				document.getElementById(whichMenu).style.display = "none";
				imageSwap(imgID, imgReplacement);
			}
		}
	}
	
	function imageSwap(imgID, imgReplacement)
	{
	    MM_swapImage(imgID,'',imgReplacement,1);
	}