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

function SimpleSwapSetup()
{
	var x = document.getElementsByTagName("img");
	for (var i=0;i<x.length;i++)
	{
		var oversrc = x[i].getAttribute("oversrc");
		if (!oversrc) 
		{
			continue;
		}
		
		// preload image
		// comment the next two lines to disable image pre-loading
		x[i].oversrc_img = new Image();
		x[i].oversrc_img.src=oversrc;

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

		// set event handlers
		x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");
		x[i].onmouseout = new Function("SimpleSwap(this);");
		
		// save original src
		x[i].setAttribute("origsrc",x[i].src);
	}}
//var PreSimpleSwapOnload = (window.onload) ? window.onload : function(){};
//window.onload = function(){PreSimpleSwapOnload(); SimpleSwapSetup();}