var serverUrl="ajax_server/tag_cloud.php";

function getCloud() {
	var butns='<input type="submit" value="Chiudi" onclick="destroyWindow(\'wCloud\')";return false;">';
	
	var content="aspetta un attimo, sto costruendo la \"nuvola\"...";
	
	if (wObjList['wCloud']!=null) {
		var w0=$('wCloud');
		var el=document.getElementsByClassName("w_content",w0.parentNode);
		el[0].innerHTML=content;
		$('wCloud_btns').innerHTML=butns;
	} else {
		var name="wCloud";
		var title="Tag Cloud";

   		var w=new Window();
		w.top=getTop();
		w.id=name;
		w.width=600;
		w.height=400;
		w.title=title;
		w.content=content;
		w.buttons=butns;
		w.show();
	}

	var data="";

	var objAjax = new Ajax.Request(
        	serverUrl,
        	{method: 'get', parameters: data, onComplete: showCloud}
 	);
}

function showCloud(ObjReq) {
	var resultText = ObjReq.responseText;
	
	var butns='<input type="submit" value="Chiudi" onclick="destroyWindow(\'wCloud\')";return false;">';
	
	var content=resultText;
	
	if (wObjList['wCloud']!=null) {
		var w0=$('wCloud');
		var el=document.getElementsByClassName("w_content",w0.parentNode);
		el[0].innerHTML=content;
		$('wCloud_btns').innerHTML=butns;
	} else {
		var name="wCloud";
		var title="Tag Cloud";

   		var w=new Window();
		w.top=getTop();
		w.id=name;
		w.width=600;
		w.height=400;
		w.title=title;
		w.content=content;
		w.buttons=butns;
		w.show();
	}
}