function Inint_AJAX() {
   try { return new ActiveXObject("Msxml2.XMLHTTP");  } catch(e) {} //IE
   try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} //IE
   try { return new XMLHttpRequest();          } catch(e) {} //Native Javascript
   alert("XMLHttpRequest not supported");
   return null;
};

function dochange(src, valor) {
//	alert(valor);
     var req = Inint_AJAX();
     req.onreadystatechange = function () { 
          if (req.readyState==4) {
               if (req.status==200) {
                    document.getElementById(src).innerHTML=req.responseText;
               } 
          }
     };
     req.open("GET", "dadosBmx.php?data="+src+"&valor="+valor);
     req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=tis-620");
     req.send(null);
}


//----------------------------------------------------- GALERIA DE FOTOS
var xmlHttp;

function showUser(valor, url, tipo){ 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
		alert ("Browser does not support HTTP Request");
		return;
	}
	var url=""+url+".php";
	url=url+"?valor="+valor+"&tipo="+tipo;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged ;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
		document.getElementById("recebe").innerHTML=xmlHttp.responseText ;
	} 
}
function GetXmlHttpObject(){
	var xmlHttp=null;
	try{// Firefox, Opera 8.0+, Safari		
		xmlHttp=new XMLHttpRequest();
	}catch (e){
 	
 	try{//Internet Explorer
		xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
	}catch (e){
		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
}
return xmlHttp;
}

//----------------------------------------------------- ALPHA
var req;

function ALPHA(url, valor){
	req = null;
	
	if (window.XMLHttpRequest) {// Procura por um objeto nativo (Mozilla/Safari)
		req = new XMLHttpRequest();
		req.onreadystatechange = processReqChange;
		req.open("GET", url+'?valor='+valor, true);
		req.send(null);
		
	}
	else if (window.ActiveXObject) {// Procura por uma versao ActiveX (IE)
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (req) {
			req.onreadystatechange = processReqChange;
			req.open("GET", url+'?valor='+valor, true);
			req.send();
		}
	}
}
function processReqChange(){
	// apenas quando o estado for "completado"
	if (req.readyState == 4){
		// apenas se o servidor retornar "OK"
		if (req.status == 200){
			// procura pela div id="mostraAlpha" e insere o conteudo
			// retornado nela, como texto HTML
			document.getElementById('mostraAlpha').innerHTML = req.responseText;
		}
		else {
			alert("Houve um problema ao obter os dados:\n" + req.statusText);
		}
	}
}

function AtualizaAplha(valor){
	ALPHA("atualizaAplha.php", valor);
//	alert(valor);
}