function fwLoadImages() {
	if (document.images) 
	{
        	ygfdownloadon = new Image(150, 40);
        	ygfdownloadon.src = "../images/150x40DownloadA.jpg";
        	ygfdownloadoff = new Image(150, 40);
        	ygfdownloadoff.src = "../images/150x40Download.jpg";

        	ygfbuyon = new Image(150, 40);
        	ygfbuyon.src = "../images/150x40BuyA.jpg";
        	ygfbuyoff = new Image(150, 40);
        	ygfbuyoff.src = "../images/150x40Buy.jpg";
	}
} // fwLoadImages()

function img_act(imgName) {
	if (document.images)
	{
        	imgOn = eval(imgName + "on.src");
        	document[imgName].src = imgOn;
	}
}

function img_inact(imgName) {
	if (document.images)
	{
        	imgOff = eval(imgName + "off.src");
        	document [imgName].src = imgOff;
	}
}