var pics_1 = new Array();
var pics_2 = new Array();
var pics_3 = new Array();
var links_1 = new Array();
var links_2 = new Array();
var links_3 = new Array();

pics_1[0] = "/images/logo_isover.gif";
pics_1[1] = "/images/re.png";
pics_1[2] = "/images/RWD-logo.gif";
pics_1[3] = "/images/cp.gif";
pics_1[4] = "/images/hs.gif";
pics_1[5] = "/images/kf.gif";

links_1[0] = "materialien.html";
links_1[1] = "materialien.html";
links_1[2] = "materialien.html";
links_1[3] = "materialien.html";
links_1[4] = "materialien.html";
links_1[5] = "materialien.html";

pics_2[0] = "/images/fader/th/db_1k3.png";
pics_2[1] = "/images/fader/th/db_2k3.png";
pics_2[2] = "/images/fader/th/db_3k3.png";
pics_2[3] = "/images/fader/th/db_4k3.png";
pics_2[4] = "/images/fader/th/db_5k3.png";
pics_2[5] = "/images/fader/th/db_6k3.png";
pics_2[6] = "/images/fader/th/db_7k3.png";
pics_2[7] = "/images/fader/th/db_8k3.png";
pics_2[8] = "/images/fader/th/db_9k3.png";
pics_2[9] = "/images/fader/th/db_10k3.png";
pics_2[10] = "/images/fader/th/db_49k3.png";
pics_2[11] = "/images/fader/th/db_12k3.png";
pics_2[12] = "/images/fader/th/db_13k3.png";
pics_2[13] = "/images/fader/th/db_14k3.png";

links_2[0] = "galerie.html";
links_2[1] = "galerie.html";
links_2[2] = "galerie.html";
links_2[3] = "galerie.html";
links_2[4] = "galerie.html";
links_2[5] = "galerie.html";
links_2[6] = "galerie.html";
links_2[7] = "galerie.html";
links_2[8] = "galerie.html";
links_2[9] = "galerie.html";
links_2[10] = "galerie.html";
links_2[11] = "galerie.html";
links_2[12] = "galerie.html";
links_2[13] = "galerie.html";

pics_3[0] = "/images/links/fof.png";
pics_3[1] = "/images/links/ek.png";
pics_3[2] = "/images/links/vs.png";
pics_3[3] = "/images/links/fox.png";
pics_3[4] = "/images/links/wb.gif";
pics_3[5] = "/images/links/nk.gif";

links_3[0] = "links.html";
links_3[1] = "links.html";
links_3[2] = "links.html";
links_3[3] = "links.html";
links_3[4] = "links.html";
links_3[5] = "links.html";

var r_num1 = Math.floor(Math.random()*pics_1.length);
var r_num2 = Math.floor(Math.random()*pics_2.length);
var r_num3 = Math.floor(Math.random()*pics_3.length);


function random_pic(el, pics, links, r_num) {
  var pic = document.createElement('img');
  pic.src = pics[r_num];
  pic.style.width = "100%";
  var pregexp = /cp|hs|kf/;
  if (pregexp.test(pic.src.split('/')[4])) pic.style.width = "85%";
  var link = document.createElement('a');
  link.href = links[r_num];
  //if (el.id == "random-right") { link.onclick = function() { window.open(this.href); return false } }
  link.appendChild(pic);
  el.appendChild(link);  
}

window.onload = function() {
  var el1 = document.getElementById('random-left');
  var el2 = document.getElementById('random-middle');
  var el3 = document.getElementById('random-right');
  random_pic(el1, pics_1, links_1, r_num1);
  random_pic(el2, pics_2, links_2, r_num2);
  random_pic(el3, pics_3, links_3, r_num3);
}