window.name="main";

function swapImages(imName, what) {
	if (document.images) {
		if (what) {
			eval ("document.images['" + imName + "'].src = 'images/" + imName + "_over.gif'");
		} else {
			eval ("document.images['" + imName + "'].src = 'images/" + imName + ".gif'");
		}
	}
}