self.onError=null;

currentX = currentY = 0;
whichIt = null;
lastScrollX = 0; 
lastScrollY = 0;

NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;

function heartBeat() {
	diffY = document.body.scrollTop; 
	diffX = document.body.scrollLeft;

	if (diffY != lastScrollY) {
		percent = .1 * (diffY - lastScrollY);
        if (percent > 0) {percent = Math.ceil(percent);}
		else {percent = Math.floor(percent);}
		document.all.slide.style.pixelTop += percent;
        lastScrollY = lastScrollY + percent;
	}
    if(diffX != lastScrollX) {
		percent = .1 * (diffX - lastScrollX);
		if (percent > 0) {percent = Math.ceil(percent);}
		else {percent = Math.floor(percent);}
		document.all.slide.style.pixelLeft += percent;
		lastScrollX = lastScrollX + percent;
	}
}

function moveIt() {
	if (whichIt == null) {return false;}
	newX = (event.clientX + document.body.scrollLeft);
	newY = (event.clientY + document.body.scrollTop);
	distanceX = (newX - currentX);    
	distanceY = (newY - currentY);
	currentX = newX;    
	currentY = newY;
	whichIt.style.pixelLeft += distanceX;
	whichIt.style.pixelTop += distanceY;
	if (whichIt.style.pixelTop < document.body.scrollTop) {
		whichIt.style.pixelTop = document.body.scrollTop;
	}
	if (whichIt.style.pixelLeft < document.body.scrollLeft) {
		whichIt.style.pixelLeft = document.body.scrollLeft;
	}
	if (whichIt.style.pixelLeft > (document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20)) {
		whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
	}
	if (whichIt.style.pixelTop > (document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5)) {
		whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
	}
	event.returnValue = false;
    return false;
}

if (IE) {document.onscroll = moveIt;}
if (IE) {action = window.setInterval("heartBeat()",1);}