$(document).ready(function(){
	$("#news_slider").slider({
		orientation: 'vertical',
		value: 100,
		animate: false,
		change: handleSliderChange,
		slide: handleSliderSlide
	});
});
function handleSliderChange(e, ui) {
	var maxScroll = $("#news_content").attr("scrollHeight")-$('#news_content').height();
	$("#news_content").animate({scrollTop: (100-ui.value) * (maxScroll / 100) }, 'fast');
}

function handleSliderSlide(e, ui) {
	var maxScroll = $("#news_content").attr("scrollHeight")-$('#news_content').height();
	$("#news_content").animate({scrollTop: (100-ui.value) * (maxScroll / 100) }, 'fast');
}