/**
 * Insere o conteudo dentro de um div, utilizando pre-loader para o usuário ver
 * que o conteúdo esta sendo carregado
 *
 */

function ajax(url, divzinho) 
{
	div = divzinho;
	
	if (document.getElementById(div).style.display == "none")
	{
		document.getElementById(div).style.display = "";
	}
		
	var newImg=document.createElement('img');
	
	/*newImg.setAttribute('src','admin/tema/imagens/carregando.gif');
	newImg.setAttribute('id', 'preloader');
	document.getElementById(div).appendChild(newImg);*/

	req = null;
	if (window.XMLHttpRequest) 
	{

		req = new XMLHttpRequest();
		req.onreadystatechange = processReqChange;
		req.open("GET", url, true);
		req.send(null);

	} 
	else if (window.ActiveXObject) 
	{
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (req) 
		{
			req.onreadystatechange = processReqChange;
			req.open("GET", url, true);
			req.send(null);
		}
	}
}

function processReqChange() 
{
	if (req.readyState == 4) 
	{
		if (req.status == 200) 
		{
			document.getElementById(div).innerHTML = req.responseText;
		} 
		else 
		{
			alert("Houve um problema ao obter os dados: " + req.statusText);
		}
	}
}

/**********************************************************************************************/