function opportunity(t,w,h)
{
  var target= t;
  var paras = "dependent=yes,toolbar=no,width=" + w + ",height=" + h + ",directories=no,dependent=yes,status=no,scrollbars=no,resizable=yes,menubar=no";
  winInfo=window.open(target,"zoom",paras);
  winInfo.focus();
};

  img_01on = new Image();
  img_01on.src ="/Bilder/main/01.gif";
  img_01off = new Image();
  img_01off.src ="/Bilder/main/01-o.gif";

  img_02on = new Image();
  img_02on.src ="/Bilder/main/02.gif";
  img_02off = new Image();
  img_02off.src ="/Bilder/main/02-o.gif";

  img_03on = new Image();
  img_03on.src ="/Bilder/main/03.gif";
  img_03off = new Image();
  img_03off.src ="/Bilder/main/03-o.gif";

  img_04on = new Image();
  img_04on.src ="/Bilder/main/04.gif";
  img_04off = new Image();
  img_04off.src ="/Bilder/main/04-o.gif";

  img_05on = new Image();
  img_05on.src ="/Bilder/main/05.gif";
  img_05off = new Image();
  img_05off.src ="/Bilder/main/05-o.gif";

  img_06on = new Image();
  img_06on.src ="/Bilder/main/06.gif";
  img_06off = new Image();
  img_06off.src ="/Bilder/main/06-o.gif";


	 function imgOn(imgName) {        
		if (document.images) {
			document[imgName].src = eval(imgName + "off.src");
		}
	}

	 function imgOff(imgName)	{
		if (document.images) {
			document[imgName].src = eval(imgName + "on.src");
		}
	}