function objXMLHttp(){

	if (window.XMLHttpRequest) { // Mozilla, Safari, ...
		var objetoXMLHttp = new XMLHttpRequest();
		return objetoXMLHttp;
	} else if (window.ActiveXObject) { // IE
			
		var versoes = [ "MSXML2.XMLHttp.5.0",
						"MSXML2.XMLHttp.4.0","MSXML2.XMLHttp.3.0",
						"MSXML2.XMLHttp","Microsoft.XMLHttp"
				];
		
				for (var i = 0; i < versoes.length; i++) {
					try {
						var objetoXMLHttp = new ActiveXObject(versoes[i]);
						return objetoXMLHttp;
					} catch (ex) {
						//nada aqui
					}
				}
	}
			return false;
}
function getDados(objForm) {
		
	var params = new Array();

	for (var i=0 ; i < document.getElementById(objForm).elements.length; i++) {
		var parametro = encodeURIComponent(document.getElementById(objForm).elements[i].name);
		parametro += "=";
		parametro += encodeURIComponent(document.getElementById(objForm).elements[i].value);
		params.push(parametro);
	}

	return params.join("&");
}
function setDados(objForm){
	for(var i=0; i<document.getElementById(objForm).elements.length-1;i++){
		document.getElementById(objForm).elements[i].value="";
	}
}
function verificarLogon() {	
	if(document.getElementById('remember').checked){
		document.getElementById('remember').value = 'yes';
	} else {
		document.getElementById('remember').value = 'no';
	}
	document.getElementById('img-logando').src="img/loader-login.gif";
	document.getElementById('logando').innerHTML = 'LOGANDO';
	setTimeout('loga()',1000);
	return false;	
}
function mostraIvibe(string){
	
}

function loga(){
		var dados = getDados('login-form');		
		
		var oXMLHttp = objXMLHttp();
		oXMLHttp.open("POST", "login.php", true);
		oXMLHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	
		oXMLHttp.onreadystatechange = function () {
			if (oXMLHttp.readyState == 4) {
				if (oXMLHttp.status == 200) {
					if(oXMLHttp.responseText == "oops"){
						document.getElementById('img-logando').src="img/lock.png";
						document.getElementById('logando').innerHTML = '';
					}else{
						document.getElementById('loader-ivibe').style.display = 'block';
						setTimeout(function() {document.getElementById('ivibe-content').innerHTML = oXMLHttp.responseText;},2000);
						$logado = true;
					}
				} else {
					document.getElementById('img-logando').src="img/lock.png";
					document.getElementById('logando').innerHTML = '';
				}
			}
		};
	oXMLHttp.send(dados);
	return false;
}