function newsCallback2 () {
	   if (http_request.readyState == 4) {
	     if (http_request.status == 200) {
	       var response = http_request.responseText;	       
	       document.getElementById('ajax-the-article-div').innerHTML = response;       
	     } 
	   }
	}
	
	function articleLoad (articleID) {
			if (window.XMLHttpRequest) { // Mozilla, Safari, ...
			            http_request = new XMLHttpRequest();
			        } else if (window.ActiveXObject) { // IE
			            http_request = new ActiveXObject("Microsoft.XMLHTTP");
			 }
			if (http_request)
			{
		        //seta a função de call back
		        http_request.onreadystatechange = newsCallback2;
		        var url = '/loadArticle.do?articleID=' + articleID;
		        http_request.open('get',url, true);
		        http_request.setRequestHeader('Content-Type','application/x-www-form-urlencoded');     
				http_request.send(null);
			}
	}
    
    
    function loadArticle(articleID)
    {
		if (articleID==null)
			return;
    	    	
    	articleLoad(articleID);
    }