var news_count = null;
var count = 2;

$(document).ready(function() { 
	news_count = $('.ha_news_item').length;
	
	if (news_count > 1) {
		setTimeout('roll_news()', 10000);
	}
});

function roll_news() {
	$('#hot_agronomy').fadeOut(1500, function() {
		$('.ha_news_item').css('display', 'none'); 
			
		$('#ha_news_item_'+count).css('display', 'block');
		
		if (count < news_count) {
			count = parseInt(count) + 1;
		} else {
			count = 1;
		}
	});
	
	$('#hot_agronomy').fadeIn(1500, function() {
		setTimeout('roll_news()', 10000);
	});
	
}