if (screen.width>800 && screen.height>600) {
var ua = navigator.userAgent.toLowerCase()
// Ausführung nur für IE und (Opera ab Version 7)
if ((ua.indexOf("ie")>-1) || ((ua.indexOf("opera")>-1)  && (navigator.appVersion.substring(0,1) > "6") ) )  {
var  n = (document.layers) ? 1:0;
var ie = (document.all)    ? 1:0;
//--></script>

function makeObj(obj,nest){
nest=(!nest) ? '':'document.'+nest+'.'
this.css=(n) ? eval(nest+'document.'+obj):eval(obj+'.style')
this.evnt=(n)? eval(nest+'document.'+obj):eval(obj);
this.moveIt=b_moveIt;}

function b_moveIt(x,y){
this.x=x; this.y=y
this.css.left=this.x
this.css.top =this.y}

function init(){
oTest=new makeObj('divBottom')
pageWidth =(ie)?document.body.offsetWidth-4:innerWidth;
pageHeight=(ie)?document.body.offsetHeight-2:innerHeight;
checkIt()
if(ie) window.onscroll=checkIt;}

function f(){alert(f)}

function checkIt(){
if(ie)     oTest.moveIt(document.body.scrollLeft+650,document.body.scrollTop+20)
else if(n){oTest.moveIt(window.pageXOffset+650, window.pageYOffset+20)
setTimeout('checkIt()',20)}}
} }