// image rollovers
// autogenerate preload images 1-6
for (i = 1; i <= 6; i++) {
	eval("var menu"+i+"_over = new Image;");
	eval("menu"+i+"_over.src = './images/button"+i+"_over.gif';");
	eval("var menu"+i+"_up = new Image;");
	eval("menu"+i+"_up.src = './images/button"+i+"_up.gif';");
}

function swapimg(img, source) {
	img.src = source.src;
}