function ajax(url){ 
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(); 
		} 
	} 
} 


function processReqChange(){ 
	if(req.readyState != 4){
	document.getElementById('sp1').innerHTML = '<div id="loadText"><center>Aguarde um instante!<br><img src="img_sys/logo_load1.png"></center></div>'; 
	}
// apenas quando o estado for "completado" 
	if (req.readyState == 4) { 
//		alert("4");
	if (req.status ==200) {
//		alert("200");
//		document.getElementById('sp1').innerHTML ='';

		document.getElementById('divInicial').innerHTML = req.responseText;
//		document.getElementById('mnu').style.visibility="hilden";

//alert(req.statusText+"\n"+req.responseText);
		} else 
			{ 
			alert("Houve um problema ao obter os dados:n" + req.statusText); 
			} 
	} 
}


function funcaoContato(url){ 
req = null; 
if (window.XMLHttpRequest) { 
	req = new XMLHttpRequest(); 
	req.onreadystatechange = fncContato; 
	req.open("GET",url,true); 
	req.send(null); 

} else 
	if (window.ActiveXObject) { 
		req = new ActiveXObject("Microsoft.XMLHTTP"); 
		if (req) { 

		req.onreadystatechange = fncContato; 
		req.open("GET",url,true); 

		req.send(); 
		} 
	} 
} 


function fncContato(){ 
	if(req.readyState != 4){
	document.getElementById('sp1').innerHTML = '<div id="loadText"><center>Aguarde um instante!<br><img src="img_sys/logo_load1.png"></center></div>'; 
	}
// apenas quando o estado for "completado" 
	if (req.readyState == 4) { 
//		alert("4");
	if (req.status ==200) {
//		alert("200");
//		document.getElementById('sp1').innerHTML ='';

		document.getElementById('divInicial').innerHTML = req.responseText;
		//alert(req.statusText+"\n"+req.responseText);
		} else 
			{ 
			alert("Houve um problema ao obter os dados:n" + req.statusText); 
			} 
	} 
}



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

function funcaoRetorna(){ 
//if(req.readyState != 4){
//	document.getElementById('loadp').innerHTML = '<div id="divload"><center><img src="imgens/loading6.gif" style="margin-top:5%;"><br>Aguarde um instante!</center></div>'; 
//}

	if(req.readyState != 4){
	document.getElementById('sp1').innerHTML = '<div id="loadText"><center>Aguarde um instante!<br><img src="img_sys/logo_load1.png"></center></div>'; 
	}

if (req.readyState == 4) { 
	if (req.status ==200) { 
//	alert(req.responseText);
		//document.getElementById('sp1').innerHTML = '';
		document.getElementById('divInicial').innerHTML = req.responseText;
		//document.getElementById('imgini').src="imagens/loading42.gif";
	} else { 
			alert("Houve um problema ao obter os dados:n" + req.statusText); 
		} 
}
}