function validaSenha() {
	if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(formLogin.email.value))) { 
		alert("Favor informar um e-mail válido!");
		document.formLogin.email.focus();
	} else {
		window.location = "modulos/login/login.php?action=senha&email="+document.formLogin.email.value;
	}
}

function validaLogin() {
	if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(formLogin.email.value))) { 
		alert("Favor informar um e-mail válido!");
		document.formLogin.email.focus();
		return false;
	} 
	
	if (document.formLogin.senha.value=="") {
		alert("Informe sua senha!");
		document.formLogin.senha.focus();			
		return false;
	}
	
}

function validaNewsletter() {
	if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(frmNewsletter.email.value))) { 
		alert("Favor informar um e-mail válido!");
		document.frmNewsletter.email.focus();
		return false;
	} 
}



function mostraMenu(menu) {
	try	{
		qtdItemArray = 0;
		vetMenu = new Array(qtdItemArray);
		
		vetMenu[0] = menu;
		
		for (i=0; i<=qtdItemArray; i++) {
			if (vetMenu[i] == menu) {
				if (document.getElementById(vetMenu[i]).style.display == "block") {
					document.getElementById(vetMenu[i]).style.display = "none";
				} else {
					document.getElementById(vetMenu[i]).style.display = "block";
				}
			} else {
				document.getElementById(vetMenu[i]).style.display = "none";	
			}
		}
	} catch (e) {}
}

function validaFormPromocao() {	
	if (document.frmpromocao.mensagem.value	== "") {
		alert("Informe a mensagem!");
		document.frmpromocao.mensagem.focus();
		return false;
	}	
}

function validaFormMural() {	
	if (document.frmmural.nome.value == "") {
		alert("Informe seu nome!");
		document.frmmural.nome.focus();
		return false;
	}

	if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(frmmural.email.value))) { 
		alert("Favor informar um e-mail válido!");
		document.frmmural.email.focus();
		return false;
	} 
	
	if (document.frmmural.cidade.value == "") {
		alert("Informe sua cidade!");
		document.frmmural.cidade.focus();
		return false;
	}
	
	if (document.frmmural.estado.value == "") {
		alert("Informe seu estado!");
		document.frmmural.estado.focus();
		return false;
	}
	
	if (document.frmmural.pais.value == "") {
		alert("Informe seu país!");
		document.frmmural.pais.focus();
		return false;
	}

	if (document.frmmural.mensagem.value == "") {
		alert("Informe a mensagem!");
		document.frmmural.mensagem.focus();
		return false;
	}	
}

function validaFaleConosco() {
	if (document.frmContato.nome.value=='') {
		alert('Informe seu nome!');
		document.frmContato.nome.focus();
		return false;
	}
	
	if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(frmContato.email.value))) { 
		alert("Favor informar um e-mail válido!");
		document.frmContato.email.focus();
		return false;
	} 
	
	if (document.frmContato.categoria.value=='') {
		alert('Informe o assunto/categoria!');
		document.frmContato.categoria.focus();
		return false;
	}
	
	if (document.frmContato.mensagem.value=='') {
		alert('Informe a mensagem!');
		document.frmContato.mensagem.focus();
		return false;
	}
}

function twVerificaTamanho(target)
{
	var StrLen;
	var nome = 0;
	var adicional;
	var maximo;
	maximo = 500;
	adicional = 0;
	StrLen = adicional;

	if (document.all.mensagem.value.length != "" )
	{
		StrLen = StrLen + document.all.mensagem.value.length;
	}
	if (StrLen == 1 && document.all.mensagem.value.substring(0,1) == " ")
	{
		document.all.mensagem.value = "";
		StrLen = StrLen - 1;
	}
	if (StrLen > maximo)
	{
		document.all.mensagem.value = document.all.mensagem.value.substring(0,maximo-1);
		StrLen = StrLen - 1;
	}
   document.all.caract.value = maximo - StrLen;
}

function twlimpa_msg()
{
	document.all.mensagem.value = "";
}

function conteudo(pagina, nome) {
	window.location = "pages.php?p=conteudo&p2="+pagina+"&r="+nome;
}

function abrirPopup(url, janela, largura, altura, scrollbars) {
	window.open(url, janela, "width="+largura+", height="+altura+", top=20, left=20, scrollbars="+scrollbars);	
}

function ir_banda(codigo){
	if (codigo != "")
		window.location = "index.php?banda="+codigo;
}

function banda(valor) {
	http.open("GET", "/site/exec.php?id=" + valor, true);
	http.onreadystatechange = handleHttpResponse;  
	http.send(null);
}

function handleHttpResponse() { 
	campo_select = document.form1.cmbBanda;
	
	if (http.readyState == 4) {
		campo_select.options.length = 0;
		results = http.responseText.split(",");	
		
		for(i=0; i<results.length-1; i++) {
			string = results[i].split("|");

			campo_select.options[i] = new Option( decodeBase64(string[0]), string[1] );
		}
	}
}

function getHTTPObject() {
	var req;

	try {
		if (window.XMLHttpRequest) {
			req = new XMLHttpRequest();
			if (req.readyState == null) {
				req.readyState = 1;
				req.addEventListener("load", function () {
					req.readyState = 4;
					if (typeof req.onReadyStateChange == "function")
						req.onReadyStateChange();
					}, false);
			}  
			return req; 
		}

		if (window.ActiveXObject) {  
			var prefixes = ["MSXML2", "Microsoft", "MSXML", "MSXML3"];
			for (var i = 0; i < prefixes.length; i++) {   
				try {    
					req = new ActiveXObject(prefixes[i] + ".XmlHttp");    
					return req;   
				} catch (ex) {};
			} 
		}
	} catch (ex) {}
alert("XmlHttp Objects not supported by client browser");
}

var http = getHTTPObject();
// Logo após fazer a verificação, é chamada a função e passada 
// o valor à variável global http.


//// BASE64
function urlDecode(str){
    str=str.replace(new RegExp('\\+','g'),' ');
    return unescape(str);
}
function urlEncode(str){
    str=escape(str);
    str=str.replace(new RegExp('\\+','g'),'%2B');
    return str.replace(new RegExp('%20','g'),'+');
}

var END_OF_INPUT = -1;

var base64Chars = new Array(
    'A','B','C','D','E','F','G','H',
    'I','J','K','L','M','N','O','P',
    'Q','R','S','T','U','V','W','X',
    'Y','Z','a','b','c','d','e','f',
    'g','h','i','j','k','l','m','n',
    'o','p','q','r','s','t','u','v',
    'w','x','y','z','0','1','2','3',
    '4','5','6','7','8','9','+','/'
);

var reverseBase64Chars = new Array();
for (var i=0; i < base64Chars.length; i++){
    reverseBase64Chars[base64Chars[i]] = i;
}

var base64Str;
var base64Count;
function setBase64Str(str){
    base64Str = str;
    base64Count = 0;
}
function readBase64(){    
    if (!base64Str) return END_OF_INPUT;
    if (base64Count >= base64Str.length) return END_OF_INPUT;
    var c = base64Str.charCodeAt(base64Count) & 0xff;
    base64Count++;
    return c;
}
function encodeBase64(str){
    setBase64Str(str);
    var result = '';
    var inBuffer = new Array(3);
    var lineCount = 0;
    var done = false;
    while (!done && (inBuffer[0] = readBase64()) != END_OF_INPUT){
        inBuffer[1] = readBase64();
        inBuffer[2] = readBase64();
        result += (base64Chars[ inBuffer[0] >> 2 ]);
        if (inBuffer[1] != END_OF_INPUT){
            result += (base64Chars [(( inBuffer[0] << 4 ) & 0x30) | (inBuffer[1] >> 4) ]);
            if (inBuffer[2] != END_OF_INPUT){
                result += (base64Chars [((inBuffer[1] << 2) & 0x3c) | (inBuffer[2] >> 6) ]);
                result += (base64Chars [inBuffer[2] & 0x3F]);
            } else {
                result += (base64Chars [((inBuffer[1] << 2) & 0x3c)]);
                result += ('=');
                done = true;
            }
        } else {
            result += (base64Chars [(( inBuffer[0] << 4 ) & 0x30)]);
            result += ('=');
            result += ('=');
            done = true;
        }
        lineCount += 4;
        if (lineCount >= 76){
            result += ('\n');
            lineCount = 0;
        }
    }
    return result;
}
function readReverseBase64(){   
    if (!base64Str) return END_OF_INPUT;
    while (true){      
        if (base64Count >= base64Str.length) return END_OF_INPUT;
        var nextCharacter = base64Str.charAt(base64Count);
        base64Count++;
        if (reverseBase64Chars[nextCharacter]){
            return reverseBase64Chars[nextCharacter];
        }
        if (nextCharacter == 'A') return 0;
    }
    return END_OF_INPUT;
}

function ntos(n){
    n=n.toString(16);
    if (n.length == 1) n="0"+n;
    n="%"+n;
    return unescape(n);
}

function decodeBase64(str){
    setBase64Str(str);
    var result = "";
    var inBuffer = new Array(4);
    var done = false;
    while (!done && (inBuffer[0] = readReverseBase64()) != END_OF_INPUT
        && (inBuffer[1] = readReverseBase64()) != END_OF_INPUT){
        inBuffer[2] = readReverseBase64();
        inBuffer[3] = readReverseBase64();
        result += ntos((((inBuffer[0] << 2) & 0xff)| inBuffer[1] >> 4));
        if (inBuffer[2] != END_OF_INPUT){
            result +=  ntos((((inBuffer[1] << 4) & 0xff)| inBuffer[2] >> 2));
            if (inBuffer[3] != END_OF_INPUT){
                result +=  ntos((((inBuffer[2] << 6)  & 0xff) | inBuffer[3]));
            } else {
                done = true;
            }
        } else {
            done = true;
        }
    }
    return result;
}

var digitArray = new Array('0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f');
function toHex(n){
    var result = ''
    var start = true;
    for (var i=32; i>0;){
        i-=4;
        var digit = (n>>i) & 0xf;
        if (!start || digit != 0){
            start = false;
            result += digitArray[digit];
        }
    }
    return (result==''?'0':result);
}

function pad(str, len, pad){
    var result = str;
    for (var i=str.length; i<len; i++){
        result = pad + result;
    }
    return result;
}

function encodeHex(str){
    var result = "";
    for (var i=0; i<str.length; i++){
        result += pad(toHex(str.charCodeAt(i)&0xff),2,'0');
    }
    return result;
}

function decodeHex(str){
    str = str.replace(new RegExp("s/[^0-9a-zA-Z]//g"));
    var result = "";
    var nextchar = "";
    for (var i=0; i<str.length; i++){
        nextchar += str.charAt(i);
        if (nextchar.length == 2){
            result += ntos(eval('0x'+nextchar));
            nextchar = "";
        }
    }
    return result;
    
}