window.addEvent('domready', function(){

	var currentCol = 0;
	var folioChange = new Fx.Tween('newsslider', {duration:750});		
	var columns = $$('div.newsset');
	
	$('prev').addEvent('click', function(){
		if(currentCol>0){
			currentCol -= 1;
			var x = (currentCol*-447); // Originally 495
			folioChange.start('left',x);
		}
	});
	
	$('next').addEvent('click', function(){
		if(currentCol<columns.length-1){
			currentCol += 1;
			var x = (currentCol*-447); // Originally 495
			folioChange.start('left',x);
		}
	});
	
});