function preload(images) {
	    if (typeof document.body == "undefined") return;
		
	    try {
	        var div = document.createElement("div");
	        var s = div.style;
	        s.position = "absolute";
	        s.top = s.left = 0;
	        s.visibility = "hidden";
	        document.body.appendChild(div);
	        for (var i = 0; i < images.length; i++) div.innerHTML += "<img src=\"" + images[i] + "\" />";
			
	    } catch(e) {
	    }
		
	}
	  preload(['i/images/menu_a_01.png', 'i/images/menu_a_02.png', 'i/images/menu_a_03.png', 'i/images/menu_a_04.png', 'i/images/menu_a_05.png', 'i/images/menu_a_06.png', 'i/images/menu_a_07.png', 'i/images/menu_a_08.png', 'i/images/menu_main_a_01.png', 'i/images/menu_main_a_02.png', 'i/images/menu_main_a_03.png', 'i/images/menu_main_a_04.png', 'i/images/menu_main_a_05.png', 'i/images/menu_main_a_06.png']);