// erzeugt Zufallszahl kleiner gleich Bilderanzahl
today=new Date();
jran=today.getTime();
var anzahl = 9;     // Anzahl der Bilder
var random_number="";
var image="";
var text_color="";
ia=9301;
ic=49297;
im=233280;
jran = (jran*ia+ic) % im;

random_number = Math.ceil( (jran/(im*1.0)) * anzahl);

// läd ein Image abhängig von der Zufallszahl

if (random_number==1) {
text_color="000000";
image="./images/aboutus_logo.gif";
text="Bild 01"
}
if (random_number==2) {
text_color="#FF0000";
image="./images/contact_logo.gif";
text="Bild 02"
}
if (random_number==3) {
text_color="#FF0000";
image="./images/datasecurity.gif";
text="Bild 02"
}
if (random_number==4) {
text_color="#FF0000";
image="./images/ims_logo.gif";
text="Bild 02"
}
if (random_number==5) {
text_color="#FF0000";
image="./images/index_logo.gif";
text="Bild 02"
}
if (random_number==6) {
text_color="#FF0000";
image="./images/jobs_logo.gif";
text="Bild 02"
}
if (random_number==7) {
text_color="#FF0000";
image="./images/locations_logo.gif";
text="Bild 02"
}
if (random_number==8) {
text_color="#FF0000";
image="./images/market_logo.gif";
text="Bild 02"
}
if (random_number==9) {
text_color="#FF0000";
image="./images/reference_logo.gif";
text="Bild 02"
}

function zufallsbild() {
document.write("<img src='" + image + "' border='0' alt='Text'>");
return
}