function moreArticle() {
	$('more-article').getElementsByTagName('span')[0].style.display = 'none';
	$('more-article').getElementsByTagName('span')[1].innerHTML = $('loadding-div').innerHTML;
	var pars = 'ajax&moreArticle&sortId=' + sortId + '&maxArticleId=' + maxArticleId + "&d=" + (new Date() * 1);
	new Ajax.Request('?',{
		method: 'post', 
		parameters: pars,
		onSuccess: function(originalRequest) {
			new Insertion.Bottom('article-list', originalRequest.responseText);
		},
		onComplete: function(originalRequest) {
			$('more-article').getElementsByTagName('span')[0].style.display = '';
			$('more-article').getElementsByTagName('span')[1].innerHTML = '';
		}
	});
}