var mouseover_cache = new Array(1);

/* Preload the specified image
 * Usage: preloadImage('about.jpg');
 */
function preloadImage(src) {
	var temp = new Image(); // Create an empty image object
	temp.src = src; // Set the image source
	mouseover_cache.push(temp); // Save this image to cache
}

function changeImages() {
	for (var i=0; i<changeImages.arguments.length; i+=2) {
		document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
	}
}