window.addEvent('load', function(){	
	$('newsUp').addEvent('click', scroll_up);
	$('newsDown').addEvent('click', scroll_down);
	
	var scroller = $E('#newsList');
	
	var myScrollFx = new Fx.Scroll(scroller, {
		wait: false,
		duration: 1000,
		transition: Fx.Transitions.Back.easeInOut
	});
	
	//$('newsUp').setStyle('visibility', 'hidden');
	// new
	scroll_down();
	// end new
	
	if ($('homeNews').getStyle('height').toInt() <= 26) {
		$('newsDown').setStyle('visibility', 'hidden');
	}else{
		$('newsDown').setStyle('visibility', 'visible');
	}
	function scroll_up(){
		scrollToValue=$(scroller).getSize();
		if(scrollToValue.scroll.y-scrollToValue.size.y+12 <= 1) {
			$('newsUp').setStyle('visibility', 'hidden');
		}else{
			$('newsUp').setStyle('visibility', 'visible');
		}
		if (parseInt(scrollToValue.scroll.y-scrollToValue.size.y+12) >= $('homeNews').getStyle('height').toInt()-25) {
			$('newsDown').setStyle('visibility', 'hidden');
		}else{
			$('newsDown').setStyle('visibility', 'visible');
		}
		myScrollFx.scrollTo(0,parseFloat(scrollToValue.scroll.y-scrollToValue.size.y+12));

		//alert("top: " + parseFloat(scrollToValue.scroll.y-scrollToValue.size.y+12));
	}
	function scroll_down(){
		scrollToValue=$(scroller).getSize();
	
		if(scrollToValue.scroll.y+scrollToValue.size.y-12 <= 1) {
			$('newsUp').setStyle('visibility', 'hidden');
		}else{
			$('newsUp').setStyle('visibility', 'visible');
		}
		if (parseInt(scrollToValue.scroll.y+scrollToValue.size.y-12) >= $('homeNews').getStyle('height').toInt()-25) {
			$('newsDown').setStyle('visibility', 'hidden');
		}else{
			$('newsDown').setStyle('visibility', 'visible');
		}
		myScrollFx.scrollTo(0,parseFloat(scrollToValue.scroll.y+scrollToValue.size.y-12));
		
		//alert("bottom: " + parseFloat(scrollToValue.scroll.y+scrollToValue.size.y-12));
	}
});