var MyIndex, MyAnzButtons;

    MyAnzButtons = 7;

    MyNormal = new Array(MyAnzButtons-1);
    MyURL = new Array(MyAnzButtons-1);
    MyHighlight = new Array(MyAnzButtons-1);

    for(MyIndex=0; MyIndex<MyAnzButtons; MyIndex++)
    {
	    MyNormal[MyIndex] = new Image(); 
	    MyHighlight[MyIndex] = new Image(); 
    }

    MyNormal[0].src = "N_Hubbie.jpg"; 
    MyHighlight[0].src = "H_Hubbie.jpg"; 
    MyURL[0] = "f3_hubbie.html";

    MyNormal[1].src = "N_Portraet.jpg"; 
    MyHighlight[1].src = "H_Portraet.jpg"; 
    MyURL[1] = "f3_portraet.html";

    MyNormal[2].src = "N_Geburtstag.jpg"; 
    MyHighlight[2].src = "H_Geburtstag.jpg"; 
    MyURL[2] = "f3_geburtstag.html";

    MyNormal[3].src = "N_Raetsel.jpg"; 
    MyHighlight[3].src = "H_Raetsel.jpg"; 
    MyURL[3] = "f3_raetsel.html";

    MyNormal[4].src = "N_Rebus.jpg"; 
    MyHighlight[4].src = "H_Rebus.jpg"; 
    MyURL[4] = "Rebus_Seite_Index1.html";

    MyNormal[5].src = "N_Muehle.jpg"; 
    MyHighlight[5].src = "H_Muehle.jpg"; 
    MyURL[5] = "f3_muehle.html";

    MyNormal[6].src = "N_Bilder.jpg"; 
    MyHighlight[6].src = "H_Bilder.jpg"; 
    MyURL[6] = "Bilder_Seite_Index1.html";

   
   


 function MySetNormal(BildNr)
 {
	if (parent.frames[1].document.images[BildNr].src != MyNormal[BildNr].src)
	{
		parent.frames[1].document.images[BildNr].src = MyNormal[BildNr].src;
	}
 }

 function MySetHighlight(BildNr)
 {
	if (parent.frames[1].document.images[BildNr].src != MyHighlight[BildNr].src)
	{
		parent.frames[1].document.images[BildNr].src = MyHighlight[BildNr].src;
	}
 }


 function MyClick(BildNr)
 {  
   for(MyIndex=0; MyIndex<MyAnzButtons ; MyIndex++)
   {
	if (MyIndex == BildNr)
	{
		MySetHighlight(MyIndex);
        }
	else
	{
		MySetNormal(MyIndex);
	}
   }
   parent.frames[2].location.href=MyURL[BildNr];
 }

 function MyLoad()
 {
   var p1, p2, URL1, URL2;
  
   p2 = parent.frames[2].location.href.length - 1;

   for(MyIndex=0; MyIndex<MyAnzButtons ; MyIndex++)
   {
     
        p1 = p2 - MyURL[MyIndex].length + 1;

        URL1=parent.frames[2].location.href.substr(p1,p2).toUpperCase();
        URL2=MyURL[MyIndex].toUpperCase();
        if(URL1 == URL2)
	{
		MySetHighlight(MyIndex);
        }
	else
	{
		MySetNormal(MyIndex);
	}
   }  
 }