function zufall(range) {
return Math.ceil(Math.random() * 1000) % range + 1;
}

function zufallsbild2() {
var Wert = zufall(7);
document.Bild.src = Bilder[Wert-1];
}
Bilder = new Array();
Bilder = new Array(7);
Bilder = new Array("../images/FBIB_web1.jpg","../images/FBIB_web2.jpg","../images/FBIB_web3.jpg","../images/FBIB_web4.jpg","../images/FBIB_web5.jpg","../images/FBIB_web6.jpg","../images/FBIB_web7.jpg");

/*
ausprobiert (nicht besser!):

function zufall(range) {
return parseInt(Math.random() * range + 1);
}

*/