if (document.images) {
	preloadImages("home_button");
	preloadImages("about_button");
	preloadImages("products_button");
	preloadImages("news_button");
	preloadImages("resources_button");
	preloadImages("healthcare_button");
	preloadImages("careers_button");
	preloadImages("contact_button");
}

function preloadImages(imgName) {
	eval(imgName + "_on = new Image()");
	eval(imgName + "_on.src = '@ssets/images/" + imgName + "_f2.gif'");

	eval(imgName + "_off = new Image()");
	eval(imgName + "_off.src = '@ssets/images/" + imgName + ".gif'");
}

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

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