// mouseOver Bildwechel und Tooltip

function wechselButton(img,bild) 
{
  //alert(bild);
  if (document[img].complete != true) return;
  if (document.images) 
  document[img].src = eval(bild + '.src');
};


function wechselTip(img,bild) 
{
  if (document[img].complete != true) return;
  if (document.images) 
  document[img].src = eval(bild + '.src');
};

// main1 = kl. Bild, grau
// main1_a = kl. Bild, farbig
// main1_t = gr. Bild mit Text

function preloadImages() 
{
  main1 = new Image(); main1.src = "images/main1.gif";
  main1_a = new Image(); main1_a.src = "images/main1_a.gif";
  
  main2 = new Image(); main2.src = "images/main2.gif";
  main2_a = new Image(); main2_a.src = "images/main2_a.gif";

  main3 = new Image(); main3.src = "images/main3.gif";
  main3_a = new Image(); main3_a.src = "images/main3_a.gif";

  main4 = new Image(); main4.src = "images/main4.gif";
  main4_a = new Image(); main4_a.src = "images/main4_a.gif";  
  
  newsletter = new Image(); newsletter.src = "images/newsletter.gif";
  newsletter_a = new Image(); newsletter.src = "images/newsletter_a.gif";
  
  tooltip = new Image(); tooltip.src = "images/main_text.jpg";
  
};