var browser , os , version ;

if (document.getElementById) // IE 5.x und NN 6
{browser = 'W3Cdom';}
if (document.layers) // NN 4.x
{browser = 'Netscape';}
if (document.all && !document.getElementById) // IE 4
{browser = 'Explorer';}



if(!window.saveInnerWidth && browser == "Netscape")
{
  window.onresize = resizeIt;
  window.saveInnerWidth = window.innerWidth;
  window.saveInnerHeight = window.innerHeight;
}

function resizeIt()
{
if (saveInnerWidth < window.innerWidth ||
 saveInnerWidth > window.innerWidth || 
 saveInnerHeight > window.innerHeight || 
 saveInnerHeight < window.innerHeight ) 
{
  window.history.go(0);
}
}

de0010off = new Image(); de0010off.src = "http://www.heywow.com/image/navigation/de/off_01.gif";
de0020off = new Image(); de0020off.src = "http://www.heywow.com/image/navigation/de/off_02.gif";
de0030off = new Image(); de0030off.src = "http://www.heywow.com/image/navigation/de/off_03.gif";
de0040off = new Image(); de0040off.src = "http://www.heywow.com/image/navigation/de/off_04.gif";
de0050off = new Image(); de0050off.src = "http://www.heywow.com/image/navigation/de/off_05.gif";
de0060off = new Image(); de0060off.src = "http://www.heywow.com/image/navigation/de/off_06.gif";

de0010on = new Image(); de0010on.src = "http://www.heywow.com/image/navigation/de/on_01.gif";
de0020on = new Image(); de0020on.src = "http://www.heywow.com/image/navigation/de/on_02.gif";
de0030on = new Image(); de0030on.src = "http://www.heywow.com/image/navigation/de/on_03.gif";
de0040on = new Image(); de0040on.src = "http://www.heywow.com/image/navigation/de/on_04.gif";
de0050on = new Image(); de0050on.src = "http://www.heywow.com/image/navigation/de/on_05.gif";
de0060on = new Image(); de0060on.src = "http://www.heywow.com/image/navigation/de/on_06.gif";

function BOn(ImgName)
{ 
  
  
  if (browser == "Netscape")
  document.layers['topnav'].document.images[ImgName].src = eval(ImgName +  "on.src");
  else
  document[ImgName].src = eval(ImgName +  "on.src");				 
}

function BOff(ImgName)
{ 
  if (browser == "Netscape")
  document.layers['topnav'].document.images[ImgName].src = eval(ImgName +  "off.src");
  else
  document[ImgName].src = eval(ImgName +  "off.src");				 
}