slideshow baner IE -> FF problem

<script type="text/javascript">


// message to scroll
var marqueecontent='<a href="http://www.domain1.com" target="_blank"><img src="homepage/banner6.gif" border="0" width="150" height="50" class="banner" id="banner0"></a> <a href="http://www.domain2.com" target="_blank"><img src="homepage/banner1.gif" border="0" width="150" height="50" class="banner" id="banner1"></a> <a href="http://www.domain3.com" target="_blank"><img src="homepage/banner2.gif" border="0" width="150" height="50" class="banner" id="banner2"></a> <a href="http://www.domain4.com" target="_blank"><img src="homepage/banner3.gif" border="0" width="150" height="50" class="banner" id="banner3"></a> <a href="http://www.domain5.com" target="_blank"><img src="homepage/banner4.gif" border="0" width="150" height="50" class="banner" id="banner4"></a> <a href="http://www.domain6.com" target="_blank"><img src="homepage/banner5.gif" border="0" width="150" height="50" class="banner" id="banner5"></a>';
var copyspeed=2; // <-- speed of ticker
var tickerWidth = 300; // <-- ticker width
var tickerHeight = 50; // <-- ticker height

// global variables
var actualWidth='';
var jsMarquee1;
var jsMarquee2;
var div1Interval = 0;
var div2Interval = 0;
var timeToStartSecond= new Array(8)
var div1Status = 0;
var div2Status = 0;

document.write('<span id="temp" style="visibility:hidden;position:absolute;left:-5000px;">'+marqueecontent+'</span>'); // used to determine initial content width
document.write('<span id="temp2" style="visibility:hidden;position:absolute;left:-5000px;"></span>'); // used later to calculate the new width of the content

function populate(){
actualWidth=document.getElementById("temp").offsetWidth;
actualWidthTemp=document.getElementById("temp").offsetWidth;

// first DIV
jsMarquee1=document.getElementById('marquee1');
jsMarquee1.style.left=parseInt(tickerWidth)+"px";

// second DIV
jsMarquee2=document.getElementById('marquee2');
jsMarquee2.style.left=parseInt(tickerWidth)+"px";

if(actualWidth <= (tickerWidth*2)){

var tempContent;
tempContent = "<nobr>";

// make sure that the div is larger than the ticker area
// if not, duplicate the content
while (actualWidth < (tickerWidth*2)){
tempContent = tempContent + marqueecontent;
actualWidth = actualWidth + actualWidthTemp;
}
tempContent = tempContent + "</nobr>"

// load the content into the divs
jsMarquee1.innerHTML=tempContent;
jsMarquee2.innerHTML=tempContent;

// get the new actual width of the content
document.getElementById("temp2").innerHTML=tempContent;
actualWidth = document.getElementById("temp2").offsetWidth;

}else{
// load the content into the divs
jsMarquee1.innerHTML="<nobr>"+marqueecontent+"</nobr>";
jsMarquee2.innerHTML="<nobr>"+marqueecontent+"</nobr>";
}

timeToStartSecond=(tickerWidth-actualWidth);
}
window.onload=populate

function scrollMarquee(){
if ((parseInt(jsMarquee1.style.left)>(actualWidth*(-1)))){
jsMarquee1.style.left=parseInt(jsMarquee1.style.left)-copyspeed+"px";

// call function to begin the second DIV
if(parseInt(jsMarquee1.style.left) < timeToStartSecond && div1Status == 0){
div1Status = 1;
div2Status = 0;
beginSecondMarquee();
}
}else{
//resets the div to it's original location
document.getElementById("marquee1").style.left = parseInt(tickerWidth)+"px";
//clear the interval and stop animation
div1Interval = window.clearInterval(div1Interval);
}
}

function scrollSecondMarquee(){
if (parseInt(jsMarquee2.style.left)>(actualWidth*(-1))){
jsMarquee2.style.left=parseInt(jsMarquee2.style.left)-copyspeed+"px";

// call function to restart the first DIV
if(parseInt(jsMarquee2.style.left) < timeToStartSecond && div2Status == 0){
div1Status = 0;
div2Status = 1;
startMarquee();
}
}else{
//resets the div to it's original location
document.getElementById("marquee2").style.left = parseInt(tickerWidth)+"px";
//clear the interval and stop animation
div2Interval = window.clearInterval(div2Interval);
}
}

/* begins the second marquee */
function beginSecondMarquee(){
div2Interval = window.setInterval("scrollSecondMarquee()",20);
}

/* begins the first marquee */
function startMarquee(){
div1Interval = window.setInterval("scrollMarquee()",20);
}
startMarquee();

document.write('<div style="position:relative;width:'+tickerWidth+'px;height:'+tickerHeight+'px;overflow:hidden">');
document.write('<div style="position:absolute;width:'+tickerWidth+'px;height:'+tickerHeight+'px;background-color:#DEFDD9" onMouseover="copyspeed=0" onMouseout="copyspeed='+copyspeed+'">');
document.write('<div id="marquee1" style="position:absolute;left:0px;top:0px;"></div>');
document.write('<div id="marquee2" style="position:absolute;left:0px;top:0px;"></div>');
document.write('</div>');
document.write('</div>');

</script>