function initScrollLayer() {
	var news = new dw_scrollObj('newsScroll', 'news');
	news.setUpScrollbar("news-drag-bar", "news-track", "v", 1, 1);
	var events = new dw_scrollObj('eventsScroll', 'events');
	events.setUpScrollbar("events-drag-bar", "events-track", "v", 1, 1);
	dw_showLayers("newsScrollbar", "eventsScrollbar");
}

function dw_showLayers() {
	var scrollBarHt = Array();
	var contentDivHt = Array();
	var increasedHt;
	
	if ( document.getElementById ) {
		var lyr, i;
		contentDivHt['0'] = document.getElementById('news').offsetHeight;
		contentDivHt['1'] = document.getElementById('events').offsetHeight;	
		
		for (i=0; arguments[i]; i++) {
			lyr = document.getElementById( arguments[i] );
			scrollBarHt[i] = lyr.offsetHeight;	
			if(contentDivHt[i] > scrollBarHt[i]){
				lyr.style.visibility = "visible";
			}else{
				lyr.style.visibility = "hidden";		  
			}
		}
		increasedHt = (contentDivHt['0'] / scrollBarHt['0']);
		dw_scrollObj.speed = dw_scrollObj.speed * Math.floor(increasedHt);	
	}
}