browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
NS4=((document.layers)||((browserName == "Netscape") && (browserVer >= 3)))?true:false;
IE4=(document.all)?true:false;
V4=(NS4 || IE4)?true:false;
timer1 = setTimeout("",0);
if (V4)
{
r1on=new Image();
r1on.src="images/button-tramezzini_f01.gif";
r1off=new Image();
r1off.src="images/button-tramezzini_f02.gif";
r2on=new Image();
r2on.src="images/button-kaffeegebaeck_f01.gif";
r2off=new Image();
r2off.src="images/button-kaffeegebaeck_f02.gif";
r3on=new Image();
r3on.src="images/button-eisspezialitaeten_f01.gif";
r3off=new Image();
r3off.src="images/button-eisspezialitaeten_f02.gif";
r4on=new Image();
r4on.src="images/button-bestellen_f01.gif";
r4off=new Image();
r4off.src="images/button-bestellen_f02.gif";
}
function act(imgName)
{
  if (V4)
    {canceltime();
    for(var i=1; i<5; i++){
      inact("r"+i);
    }
    imgOn = eval(imgName + "on.src");
    document[imgName].src = imgOn;
    }
}
function inact(imgName)
{
  {
    imgOff = eval(imgName + "off.src");
    document[imgName].src = imgOff;
  }
}
function canceltime(){if(V4){clearTimeout(timer1);}}
function show(rub){
document.getElementById('tr1').style.display='none';
document.getElementById('tr2').style.display='none';
document.getElementById('tr3').style.display='none';
document.getElementById('tr4').style.display='none';
document.getElementById(rub).style.display='inline';
do{i = (Math.floor((Math.random()*4)+1)); }
while( "tr" + i == rub);	
timer1=setTimeout("show('tr"+i+"')",20000);

}
function P7_LH(){ //1.5 by PVII
 show('tr1');act('r1');;
}
function P7_LoadHandler(a){ //1.5 by PVII
 if(a==1||a==3){onload=P7_LH;}if(a>1){onresize=P7_RH;}
}
P7_LoadHandler(1);