function test() {
document.write ("<div style=\"background-color:#cccccc;\">hey</div>");
}


function hintergrundstart () {
zufall = Math.floor(Math.random() * (6 - 1 + 1)) + 1; 
document.write("<div id=\"rahmenOben\" style=\"background-image:url(fileadmin/ElementeGrafiken\/bg_titelbild" + zufall + ".jpg)\">");
}

function hintergrundende () {
document.write("</div>")
}