// Vertical Scroller Javascript
// copyright 24th September 2005, by Stephen Chapman
// permission to use this Javascript on your web page is granted
// provided that all of the code below (as well as these
// comments) is used without any alteration
function objWidth(obj) {
	 if(obj.offsetWidth) return obj.offsetWidth;
	 if (obj.clip) return obj.clip.width;
	 return 0;
}
function objHeight(obj) {
	if(obj.offsetHeight) return obj.offsetHeight;
	if (obj.clip) return obj.clip.height;
	return 0;
}
function scrF(i,sH,eH){
	var x=parseInt(i.top)+(dR? step: -step);
	if(dR && x>sH)x=-eH;
	else if(x<2-eH)x=sH;i.top = x+'px';
}
function startScroll(sN,txt){
	var scr=document.getElementById(sN);
	scr.style.overflow = 'hidden';
	var sW = objWidth(scr)-20; // slight change here -- was messing up with my styles
	var sH = objHeight(scr);
	var x = document.createElement ('div');
	x.innerHTML = '<div id="'+sN+'in" style="position:absolute; width:'+sW+'px;">'+txt+'<\/div>'; // slight change here -- was messing up with my styles
	scr.innerHTML = x.innerHTML;
	var sTxt=document.getElementById(sN+'in');
	var eH=objHeight(sTxt);
	sTxt.style.top=(dR? -eH : sH)+'px';
	sTxt.style.clip='rect(0,'+sW+'px,'+eH+'px,0)';
	setInterval(function() {scrF(sTxt.style,sH,eH);},1000/speed);
}