function AjaxPagina(url, div_result, metodo, executar){
	//exemplo: <input type='text' onblur="AjaxPagina('http://www.google.com.br', 'mydiv', 'GET', 'alert(1);')"><br><div id='mydiv'></div>

	var mreq;
	if(window.XMLHttpRequest){
		mreq = new XMLHttpRequest();
	}else if(window.ActiveXObject){ 
		mreq = new ActiveXObject("Microsoft.XMLHTTP");
	}else{ 
		alert("Seu navegador nao tem suporte a AJAX.");
	}

	mreq.onreadystatechange = function() {
		if(mreq.readyState == 1){
			document.getElementById(div_result).innerHTML = "Carregando...";			
		} else if(mreq.readyState == 4){ 
			document.getElementById(div_result).innerHTML = mreq.responseText;
			if (executar != "") {
				eval(executar);
			}
		}
	}
	adata = Date()
	if (url.indexOf('?') == -1) { 
		param = '?tim=' + adata.toString(); 
	} else {
		param = '&tim=' + adata.toString(); 
	}
	//alert(url + param)
	mreq.open(metodo, url + param,true);
	mreq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=ISO-8859-1');
	mreq.setRequestHeader("Cache-Control", "no-store, no-cache, must-revalidate"); 
	mreq.setRequestHeader("Cache-Control", "post-check=0, pre-check=0"); 
	mreq.setRequestHeader("Pragma", "no-cache");	
	mreq.send(null)

}// JavaScript Document