function preload() {
  var preload_temp = new Array;
  for (i = 0; i < preload_images.length; i++) {
    preload_temp[i] = new Image;
    preload_temp[i].src = preload_images[i];
  }
}

function print_article() {
  if(false) { }
  else {
    print();
  }
}

function turn_off(a) {
  document.images[a].src = (images_path + a + "_off.gif");
  window.status = "";
}

function turn_on(a,b) {
  document.images[a].src = (images_path + a + "_on.gif");
  window.status = b;
}


function NewWindow(mypage, myname, w, h, scroll, resize, stat) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable='+resize+',status='+stat+''
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}