function SwapImage(imgObj, NewSrc) 
{
	imgObj._src = imgObj.src;
	imgObj.src = NewSrc;
}

function SwapImageRestore(imgObj)
{
	imgObj.src = imgObj._src;
}

window.onload = function ()
{
	var p = new Array('images/homepage_08-over.gif','images/homepage_09-over.gif','images/homepage_10-over.gif','images/homepage_11-over.gif');
	for (var i in p)
	(new Image()).src = p[i];
}