var colors = new Array(5);
colors[0] = "#64A4C9";
colors[1] = "#1C6CA8";
colors[2] = "#6699CC";
colors[3] = "#6E8FB1";
colors[4] = "#6197AE";

var quads = new Array(3);
quads[0] = "http://www.mpr-frankfurt.de/img/quads1.gif";
quads[1] = "http://www.mpr-frankfurt.de/img/quads2.gif";
quads[2] = "http://www.mpr-frankfurt.de/img/quads3.gif";

function randColor() {
n = Math.round(Math.random() * (colors.length-1)); // -1, weil es bei 0 beginnen soll
document.all.ColorBox.style.backgroundColor = colors[n];
}

function randQuads() {
n = Math.round(Math.random() * (quads.length-1)); // -1, weil es bei 0 beginnen soll
document.all.quads.src = quads[n];
}