$(document).ready(function() { 

	$(".newsupdate").mouseover(function() {
		$(".newsupdate_right").css("background-image", "none");

		$(this).children(".newsupdate_right").css("background-image", "url(images/newsupdate_arrow.gif)");
		
	});
	
	$(".newsupdate").mouseout(function() {
		$(".newsupdate_right").css("background-image", "none");

		$("#newsupdate_1 .newsupdate_right").css("background-image", "url(images/newsupdate_arrow.gif)");		
	
	});
	
});