if (typeof document.body.style.maxHeight === "undefined") { // Si IE 6
    var pos;
	var speed = 1;
	var pos_initial;
	 
	function startAnim() {
		var e = document.getElementById('newsbox');
		pos_initial = e.clientHeight + 1;
		pos = pos_initial;
		setInterval('anim()', 1);
	}
	function anim() {
		var e = document.getElementById('newslist');
		e.style.visibility = 'visible';
		e.style.top = Math.floor(pos) + 'px';
		pos = pos - speed;
		if(pos < -e.clientHeight) pos = pos_initial;
	}
	window.onload = function() {
	  var e = document.getElementById('newsbox');
	  e.onmouseover = function() { speed = 0; };
	  e.onmouseout = function() { speed = 1; };
	  startAnim()
	};
} else {
	var pos;
	var speed = 0.5;
	var pos_initial;
	 
	function startAnim() {
		var e = document.getElementById('newsbox');
		pos_initial = e.clientHeight + 0.5;
		pos = pos_initial;
		setInterval('anim()', 1);
	}
	function anim() {
		var e = document.getElementById('newslist');
		e.style.visibility = 'visible';
		e.style.top = Math.floor(pos) + 'px';
		pos = pos - speed;
		if(pos < -e.clientHeight) pos = pos_initial;
	}
	window.onload = function() {
	  var e = document.getElementById('newsbox');
	  e.onmouseover = function() { speed = 0; };
	  e.onmouseout = function() { speed = 0.5; };
	  startAnim()
	};
}