var IMG1 = new Image();
var IMG2 = new Image();
var IMG3 = new Image();
var IMG4 = new Image();
var IMG5 = new Image();

var PreSimpleSwapOnload = (window.onload) ? window.onload : function(){};
window.onload = function()
{
	PreSimpleSwapOnload(); 
	SimpleSwapSetup();
}

function SimpleSwap(Element,which)
{
	Element.src=Element.getAttribute(which||"origsrc");
}

function SimpleSwapSetup()
{
	var oObj = document.getElementsByTagName("img");
	for (var ii = 0; ii < oObj.length; ii++)
	{
		var oversrc = oObj[ii].getAttribute("oversrc");
		var sMenu = oObj[ii].getAttribute("menuname");
		
		if (!oversrc) continue;
		// preload image
		// comment the next two lines to disable image pre-loading
		oObj[ii].oversrc_img = new Image();
		oObj[ii].oversrc_img.src = oversrc;
		// set event handlers
		
		if (sMenu)
		{
			oObj[ii].onmouseover = new Function("SimpleSwap(this,'oversrc');");
			oObj[ii].onmouseout = new Function("SimpleSwap(this);");
		}
		else
		{
			oObj[ii].onmouseover = new Function("SimpleSwap(this,'oversrc');");
			oObj[ii].onmouseout = new Function("SimpleSwap(this);");		
		}
		
		// save original src
		oObj[ii].setAttribute("origsrc",oObj[ii].src);		
	}
}

function SwapIMG(imageName, image, imagePath)
{
	if (image.src == '')
	{
		image.src = imagePath;
	}
	document.images[imageName].src = image.src;
}

var ns4; 
var ie4;
var iTimeOut = 0; 
var iloaded = 0; 

function show(sID) 
{ 
	hideAll();
	
	ns4 = (document.layers) ? 1:0; 
	ie4 = (document.all) ? 1:0; 
	
	if (document.getElementById) 
	{ 
		var elMenu = document.getElementById(sID); 
		elMenu.style.visibility = "visible"; 
	} 
	else if (ns4) 
	{ 
		document[sID].visibility = "show"; 
	} 
	else if (ie4) 
	{ 
		document.all[sID].style.visibility = "visible"; 
	} 
}; 

function hide(sID) 
{ 
	ns4 = (document.layers) ? 1:0; 
	ie4 = (document.all) ? 1:0; 
	
	if (document.getElementById) 
	{ 
		var elMenu = document.getElementById(sID); 
		elMenu.style.visibility = "hidden"; 
	} 
	else if (ns4) 
	{ 
		document[sID].visibility = "hide"; 
	} 
	else if (ie4) 
	{ 
		document.all[sID].style.visibility = "hidden"; 
	} 
}; 

function hideAll() 
{ 
	clearTimeout(iTimeOut); 
	hide('menuAbout'); 
	hide('menuServices'); 
}; 

function SetTimer() 
{ 
	iTimeOut = setTimeout("hideAll();",600); 
};