var timer;
$(document).ready(function() {
	timer=setInterval("shiftNews();",100);
	document.getElementById('news').onmouseover = function () {
		clearInterval(timer);
	}
	document.getElementById('news').onmouseout = function () {
		timer=setInterval("shiftNews();",100);
	}
});

function shiftNews() {
	if (document.getElementById('slideNews').style.marginTop.replace('px', '')*1 < - (document.getElementById('slideNews').offsetHeight)) {
		prev = 0;
	} else {
		prev = document.getElementById('slideNews').style.marginTop.replace('px', '') - 1;
	}
	document.getElementById('slideNews').style.marginTop = prev + 'px';
}