jockysTip = new Object();

jockysTip[0] = new Object();
jockysTip[0].adresse = "http://www.derherrderringe.de/";
jockysTip[0].bild = "bilder/pages_hdr.jpg";

jockysTip[1] = new Object();
jockysTip[1].adresse = "http://www.jesusfreaksmuenchen.de/";
jockysTip[1].bild = "bilder/pages_jfm.jpg";

jockysTip[2] = new Object();
jockysTip[2].adresse = "http://www.saviourmachine.net";
jockysTip[2].bild = "bilder/pages_sm.jpg";

jockysTip[3] = new Object();
jockysTip[3].adresse = "http://www.heilung-fuer-die-nationen.de";
jockysTip[3].bild = "bilder/pages_heilung.jpg";

zufall = 0;

function selectRandomImage() {
  
  zufall = Math.random();
  zufall = zufall * 3;
  zufall = Math.round(zufall);
  
  document.images['tip'].src = jockysTip[zufall].bild;
}

function tipLink() {
  window.open(jockysTip[zufall].adresse,"_blank");
}