ciao a tutti
mi potete spiegare come mai la funzione che vi posto sotto non funziona ?

codice:
		function CreateScroll (sWidth,sHeight, sSpeed,sContent) {
			
			var scrollerwidth=sWidth+"px"
			
			var scrollerheight=sHeight+"px"
			
			var scrollerspeed=sSpeed
			
			var scrollercontent=sContent;
			
			var pauseit=1
						
			scrollerspeed=(document.all)? scrollerspeed : Math.max(1, scrollerspeed-1) //slow speed down by 1 for NS
			var copyspeed=scrollerspeed
			var iedom=document.all||document.getElementById
			var actualheight=''
			var cross_scroller, ns_scroller
			var pausespeed=(pauseit==0)? copyspeed: 0
			
			function populate(){
				if (iedom){
					cross_scroller=document.getElementById? document.getElementById("iescroller") : document.all.iescroller
					cross_scroller.style.top=parseInt(scrollerheight)+8+"px"
					cross_scroller.innerHTML=scrollercontent
					actualheight=cross_scroller.offsetHeight
				}
				else if (document.layers){
					ns_scroller=document.ns_scroller.document.ns_scroller2
					ns_scroller.top=parseInt(scrollerheight)+8
					ns_scroller.document.write(scrollercontent)
					ns_scroller.document.close()
					actualheight=ns_scroller.document.height
				}
				lefttime=setInterval("scrollscroller()",50)
			}
			window.onload=populate
			
			function scrollscroller(){
			
				if (iedom){
					if (parseInt(cross_scroller.style.top)>(actualheight*(-1)+8))
						cross_scroller.style.top=parseInt(cross_scroller.style.top)-copyspeed+"px"
					else
						cross_scroller.style.top=parseInt(scrollerheight)+8+"px"
				}
				else if (document.layers){
					if (ns_scroller.top>(actualheight*(-1)+8))
						ns_scroller.top-=copyspeed
					else
						ns_scroller.top=parseInt(scrollerheight)+8
				}
			}
			
			if (iedom||document.layers){
				with (document){
					if (iedom){
						write('<div style="position:relative;width:'+scrollerwidth+';height:'+scrollerheight+';overflow:hidden" onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=scrollerspeed">')
						write('<div id="iescroller" style="position:absolute;left:0px;top:0px;width:100%;">')
						write('</div></div>')
					}
					else if (document.layers){
						write('<ilayer width='+scrollerwidth+' height='+scrollerheight+' name="ns_scroller">')
						write('<layer name="ns_scroller2" width='+scrollerwidth+' height='+scrollerheight+' left=0 top=0 onMouseover="copyspeed=pausespeed" onMouseout="copyspeed=scrollerspeed"></layer>')
						write('</ilayer>')
					}
				}
			}
		}
		CreateScroll (130,100,1,'<font size=3>test</font>') ;
Così facendo, non mi funziona, ma se commento la prima riga dove dichiaro la funzione ed inserisco parametri fissi come scrollerwidth, scrollerheight, scrollerspeed e scrollercontent ed eliminando anche la chiamata a funzione (CreateScroll (130,100,1,'<font size=3>test</font>'))lo script mi funziona..

Non capisco questo comportamento
Voi ?

Grazie in anticipo.