function glow(imgName) {
	eval("var "+ imgName + "_on = new Image()");
	eval(imgName + "_on.src = \"images/" + imgName + "_on"+".gif\"");
	eval("var "+ imgName + "_over = new Image()");
	eval(imgName + "_over.src = \"images/" + imgName + "_over"+".gif\"");

	document.images[imgName].src = eval(imgName + "_over.src");
}

function unglow(imgName) {
	eval("var "+ imgName + "_on = new Image()");
	eval(imgName + "_on.src = \"images/" + imgName + "_on"+".gif\"");
	eval("var "+ imgName + "_over = new Image()");
	eval(imgName + "_over.src = \"images/" + imgName + "_over"+".gif\"");

	document.images[imgName].src = eval(imgName + "_on.src");
}