var numpics;
var images = new Array();

function preload_images() {

  var preload_arr = ['pic/ideas.gif','pic/ideas.gif','pic/ideas_over.gif','pic/profil.gif','pic/profil_over.gif','pic/people.gif','pic/people_over.gif','pic/downloads.gif','pic/downloads_over.gif','pic/contact.gif','pic/contact_over.gif','pic/impressum.gif','pic/impressum_over.gif'];

  numpics = preload_arr.length;

  preload(preload_arr);

}

function preload(arr) {
  if (typeof document.getElementById == 'undefined' ||
      typeof document.createElement == 'undefined') window.status='';
  for (var i = 0; i < arr.length; i++) {
    images[i] = new Image();
    images[i].src = arr[i];
  }

  setTimeout('progress()', 100);

}

function progress() {
  var curprogress = 0;
  for (var i = 0; i < numpics; i++) {
    if (images[i].complete == true) curprogress++;
  }

  var w = Math.round((curprogress * 100) / numpics);
  window.status = 'Bilder werden geladen ('+w+'%)';

  if (curprogress < numpics) {
    setTimeout('progress()', 100);
  }
  else {
    window.status = '';
    createMenu();
  }

}