var ctxt,naviHeight,myWidth,myHeight;
      
function BrowserTest(){
   var x=[];if(document.ids){x=['nc4','Netscape Navigator 4'];if(!window.navigator.securityPolicy)x[1]+='.0';else x[1]+='.5-4.8';}else if(document.all&&!document.getElementById){if(!document.layers)x=['ie4','Internet Explorer 4'];else x=['ow4','OmniWeb 4.x'];}else if(window.opera&&!document.createElement)x=['op5','Opera 5'];else if(window.opera&&window.getComputedStyle){if(document.querySelectorAll)x=['o10','Opera 10'];else if(window.getSelection){ x=window.postMessage?5:2;if(x==5){function tst(){if(tst.caller+''=='null')x+=1;}tst();} x=['o9'+x,'Opera 9.'+x];}else if(document.createRange)x=['op8','Opera 8'];else if(window.navigate)x=['o75','Opera 7.5'];else x=['o72','Opera7.2'];}else if(window.opera&&document.compatMode)x=['op7','Opera 7'];else if(window.opera&&document.releaseEvents)x=['op6','Opera 6'];else if(document.contains&&!window.opera){x=['kq3','Safari / Konqueror 3'];x[1]+=window.print?'.1/.2':'.0';if(document.compatMode)x[1]='kq3.4';}else if(window.pkcs11&&window.XML){y=document.querySelectorAll?'1 ':' ';x=x=window.postMessage?3:2;x=window.external?['ff'+x,'FireFox '+x+y+'/ Gecko']:['f15','FireFox / Gecko Deer Park '];}else if(window.pkcs11&&document.compatMode)x=['nn7','Mozilla / FireFox / Gecko '];else if(window.atob&&document.defaultCharset){x=window.postMessage?31:3;if(document.compareDocumentPosition)x=4;x=['sf'+x,'Safari '+x];if(window.execScript)x[1]+='/Google';}else if(window.getSelection&&window.atob)x=['nn7','Mozilla / Gecko'];else if(window.getSelection&&!document.compatMode)x=['nn6','Netscape 6 / Mozilla Beta'];else if(window.clipboardData&&document.compatMode){  x=window.XMLHttpRequest?7:6; x+=window.postMessage?1:0; x=['ie'+x,'Internet Explorer '+x];}else if(window.clipboardData){x=['ie5','Internet Explorer 5.0'];if(!document.createDocumentFragment) x=['ie5.5','Internet Explorer 5.5'];}else if(document.doctype && !window.print ) x=['ie5m','Internet Explorer 5Mac'];else if(document.getElementById&&!document.all){ x[0]='op4';x[1]='Opera 4';if(!window.RegExp) x[1]+='.0';else x[1]+='.1';}else if(document.images&&!document.all) x=['nn3','Netscape Navigator 3'];else if(!document.images) x=['2-3','NS 2, IE 3'];else if(document.clientWidth&&!window.RegExp)x=['kq2','Safari / Konqueror 2'];else x=['???','unbekannt'];
   ctxt=x[1]; //Variable, die den Browser enthält
}

function BodySize(){
   naviHeight=document.getElementById("navi").offsetHeight;
   myWidth=0,myHeight=0;
   if(typeof(window.innerWidth)=='number'){
      //Non-IE
      myWidth=window.innerWidth;
      myHeight=window.innerHeight;
   }
   else if(document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)){
      //IE 6+ in 'standards compliant mode'
      myWidth=document.documentElement.clientWidth;
      myHeight=document.documentElement.clientHeight;
   }
   else if(document.body && (document.body.clientWidth || document.body.clientHeight)){
      //IE 4 compatible
      myWidth=document.body.clientWidth;
      myHeight=document.body.clientHeight;
   }
}

function SetToFixed(){
   BrowserTest();
   BodySize();
   if(ctxt!='Internet Explorer 6'){
      if(myWidth>1024){
         if(myHeight>naviHeight){
            document.getElementById("navi").style.position = "fixed";
            document.getElementById("bg_kachel").style.position = "fixed";
         }
      }
   }
}