java script vraagje

script language="JavaScript1.2">

/*
Cross browser marquee script II
*/


//Specify the marquee's width (in pixels)
var marqueewidth=150
//Specify the marquee's height
var marqueeheight=150
//Specify the marquee's scroll speed (larger is faster)
var speed=2
//Specify the marquee contents
var marqueecontents='<font face="Arial"><strong><big>[B]Thank you for visiting <a href="http://www.javafile.com">Javafile.com.</a> If you find this script useful, please consider linking to us by <a href="../../link.php">clicking here.</a> Enjoy your stay![/B]</big></strong></font>'

if (document.all)
document.write('<marquee direction="up" scrollAmount='+speed+' style="width:'+marqueewidth+';height:'+marqueeheight+'">'+marqueecontents+'</marquee>')

function regenerate(){
window.location.reload()
}
function regenerate2(){
if (document.layers){
setTimeout("window.onresize=regenerate",450)
intializemarquee()
}
}

function intializemarquee(){
document.cmarquee01.document.cmarquee02.document.write(marqueecontents)
document.cmarquee01.document.cmarquee02.document.close()
thelength=document.cmarquee01.document.cmarquee02.document.height
scrollit()
}

function scrollit(){
if (document.cmarquee01.document.cmarquee02.top>=thelength*(-1)){
document.cmarquee01.document.cmarquee02.top-=speed
setTimeout("scrollit()",100)
}
else{
document.cmarquee01.document.cmarquee02.top=marqueeheight
scrollit()
}
}

window.onload=regenerate2
</script>


<ilayer width=&{marqueewidth}; height=&{marqueeheight}; name="cmarquee01">
<layer name="cmarquee02" width=&{marqueewidth}; height=&{marqueeheight};></layer>
</ilayer>