function roll_news(count) {
	$('#hot_agronomy').fadeOut(1500, function() {
		$('.ha_news_item').css('display', 'none'); 
			
		if (count == undefined) {
			count = 0;
		} else {
			count = parseInt(count) + 1;
		}
		
		
		if (count > 3) {
			count = 0;
		}
				
			
		$('#ha_news_item_'+count).css('display', 'block');
	});
	
	$('#hot_agronomy').fadeIn(1500, function() {
		setTimeout('roll_news('+count+')', 10000);
	});
	
		//$('#ha_time').html('<script type="text/javascript">setTimeout(\'roll_news('+count+')\', 5000)</script>');
	
}