function initScrollLayer() {
	var marquee = document.getElementById('marquee');
	var spans = marquee.getElementsByTagName('span');
	
	for(var spanIndex = 0; spanIndex < spans.length; spanIndex++){		
		//add speed events
			spans[spanIndex].onmouseover = function(){document.getElementById('marquee').scrollAmount=1;};
			spans[spanIndex].onmouseout = function(){document.getElementById('marquee').scrollAmount=4;};
	}
}