Zufälliges Hintergrundbild

<script type="text/javascript">

today=new Date();
jran=today.getTime();
var number = 4;       // kann beliebig heraufgesetzt werden
var random_number="";
var text_color="";
var image="";
ia=9301;
ic=49297;
im=233280;
jran = (jran*ia+ic) % im;
random_number = Math.ceil( (jran/(im*1.0)) *number);

if (random_number==1) {
text_color="000000";
image="../scripte4/slideshow-player/holz.jpg";// kann beliebig geändert werden
}
if (random_number==2) {
text_color="ff0000";
image="../scripte4/slideshow-player/mauer_alt.gif";
}
if (random_number==3) {
text_color="0000ff";
image="../scripte4/slideshow-player/metall.gif";
}
if (random_number==4) {
text_color="ff00ff";
image="../scripte4/slideshow-player/nieten.jpg";
}

// End -->