function random_images()
{
images = new Array("quote1.gif","quote2.gif","quote3.gif","quote4.gif");

for (i=0;i<images.length+i;i++)
{
a = Math.round(Math.random()*images.length);
if ((a >= 0) && (a < images.length))
{
	document.write('<img src="img/'+images[a]+'" border="0" alt="Bild" width="365" height="45">');
	break;
}
}
}