var w1 = null;
        
function soundOnOff()
{             
   if (w1 != null && !w1.closed)
   {         
      w1.close();
   }
   else           
   {                    
      w1 = window.open('sound.html', 'Hintergrundmusik', 'width=30,height=30,scrollbars=no,resizable=no,toolbar=no,menubar=no,status=no,location=no');
      if (w1) w1.focus();
   }
}

function MM_preloadImages() { //v3.0

   var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}