function preloadImage(filename)
{
	var img = new Image();
	img.src = filename;
	
	return "url(" + filename + ")";
}

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

menu_images[0] = preloadImage("style_png/images/menu/header.png");
menu_images[1] = preloadImage("style_png/images/menu/menu_top.png");
menu_images[2] = preloadImage("style_png/images/menu/menu_middle.png");
menu_images[3] = preloadImage("style_png/images/menu/menu_base.png");

menu_images[4] = preloadImage("style_png/images/menu/submenu_top.png");


menu_images_roll[0] = preloadImage("style_png/images/menu/header_roll.png");
menu_images_roll[1] = preloadImage("style_png/images/menu/menu_top_roll.png");
menu_images_roll[2] = preloadImage("style_png/images/menu/menu_middle_roll.png");
menu_images_roll[3] = preloadImage("style_png/images/menu/menu_base_roll.png");

menu_images_roll[4] = preloadImage("style_png/images/menu/submenu_top_roll.png");