var xmlHttp
//Fila de conexões
fila=[]
ifila=0


function BuscaCep(str)
{ 
if (str.value != 0)
{ 
//alert(str.length);
//Carregando...
document.getElementById("endereco").value="Carregando..."
var url="../paginas/funcao_cep_ajax.asp?sid=" + Math.random() + "&q=" + str
//alert(url);
xmlHttp=GetXmlHttpObject(stateChanged)
xmlHttp.open("GET", url , true)
xmlHttp.send(null) 
} 
else
{ 
document.getElementById("endereco").value=""
document.getElementById("bairro").value=""
document.getElementById("cidade").value=""
document.getElementById("uf").value=""
} 
} 


function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
	//Obtém o retorno
	t=xmlHttp.responseText 
	//Trata o retorno
	//t=unescape(t.replace(/+/g," "));
	//t=decodeURI(t);
	//t=(t.replace(/+/g," "));
	//alert(t);

	//Transforma em objeto
	ceps=eval("t")
	//alert(ceps);
	//Preenche o select
	var arr=ceps.split('|');
	document.getElementById("endereco").value = arr[0];
	document.getElementById("bairro").value = arr[1];
	document.getElementById("cidade").value = arr[2];
	document.getElementById("uf").value = arr[3]; 

} 
} 

function GetXmlHttpObject(handler)
{ 
var objXmlHttp=null

if (navigator.userAgent.indexOf("Opera")>=0)
{
alert("This example doesn't work in Opera") 
return 
}
if (navigator.userAgent.indexOf("MSIE")>=0)
{ 
var strName="Msxml2.XMLHTTP"
if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
{
strName="Microsoft.XMLHTTP"
} 
try
{ 
objXmlHttp=new ActiveXObject(strName)
objXmlHttp.onreadystatechange=handler 
return objXmlHttp
} 
catch(e)
{ 
alert("Error. Scripting for ActiveX might be disabled") 
return 
} 
} 
if (navigator.userAgent.indexOf("Mozilla")>=0)
{
objXmlHttp=new XMLHttpRequest()
objXmlHttp.onload=handler
objXmlHttp.onerror=handler 
return objXmlHttp
}
}