but1 = new Image();
but1.src = 'img/menu/but_spiel_h.jpg';
but2 = new Image();
but2.src = 'img/menu/but_forum_h.jpg';
but3 = new Image();
but3.src = 'img/menu/but_geschichte_h.jpg';
but4 = new Image();
but4.src = 'img/menu/but_screenshots_h.jpg';

var img_1 = new Image(), img_2 = new Image(), img_3 = new Image();
img_1.src = 'img/icon_01_h.jpg';
img_2.src = 'img/icon_02_h.jpg';
img_3.src = 'img/icon_03_h.jpg';

function openw (url) 
{
	fenster = window.open(url, "popup", "width=415,height=518,toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0");
	fenster.focus();
}