// Handles the rollover effects for the menu items

var rollover_images = new Array();
var menu_images = new Array();

function preload_rollover_button( name , image , rollImage ) {
	menu_images[name] = new Image();
	menu_images[name].src = image;
	rollover_images[name] = new Image();
	rollover_images[name].src = rollImage;
}

function button_rollover( event ) {
	var button = event.srcElement;
	if (!button)
		button = event.currentTarget;
	button.src = rollover_images[button.name].src;	
} 

function button_rollout( event ) {
	var button = event.srcElement;
	if (!button)
		button = event.currentTarget;
	button.src = menu_images[button.name].src;
}