function limpa_email()
{
    if(document.frmRecebaNoticias.email.value=="digite aqui seu e-mail")
	{
	   document.frmRecebaNoticias.email.value='';
	}
}

function limpa_amigo()
{
    if(document.frmIndiqueAmigo.email.value=="e-mail de seu amigo")
	{
		document.frmIndiqueAmigo.email.value='';
	}
}

function clicklogin()
{
	if(document.login.usuario.value=="")
	{
		alert("Informe o Usuário.");
		document.login.usuario.focus();
		return false;
	}
    else
    {
	  if(document.login.senha.value=="")
	  {
		alert("Informe a Senha.");
		document.login.senha.focus();
		return false;
	  }
      else
      {
        return true
      }
    }
}

var winRecebaNoticias;
function recNot(){

	if(winRecebaNoticias && !winRecebaNoticias.closed){
		winRecebaNoticias.close();
	}
	var strEmail = document.frmRecebaNoticias.email.value;
	if(isEmail(strEmail)){
		w = 300;
		h = 300;
		t = (window.screen.height-h)/2;
		l = (window.screen.width-w)/2;
		
		config = "menubar=0,toolbar=0,resizable=no,scrollbars=no,status=0,location=0,width="+w+",height="+h+",top="+t+",left="+l;
		winRecebaNoticias = window.open('about:blank', 'popCadastro', config);
		document.frmRecebaNoticias.submit();
		winRecebaNoticias.focus();
	}
	else{
		alert('Verifique se o seu email está correto.');
		document.frmRecebaNoticias.email.focus();
	}
}

var winIndiqueAmigo;
function indique(){

	if(winIndiqueAmigo && !winIndiqueAmigo.closed){
		winIndiqueAmigo.close();
	}
	var strEmail = document.frmIndiqueAmigo.email.value;
	if(isEmail(strEmail)){
		w = 300;
		h = 300;
		t = (window.screen.height-h)/2;
		l = (window.screen.width-w)/2;
		
		config = "menubar=0,toolbar=0,resizable=no,scrollbars=no,status=0,location=0,width="+w+",height="+h+",top="+t+",left="+l;
		winIndiqueAmigo = window.open('about:blank', 'popIndiqueAmigo', config);
		document.frmIndiqueAmigo.submit();
		winIndiqueAmigo.focus();
	}
	else{
		alert('Verifique se o seu email está correto.');
		document.frmIndiqueAmigo.email.focus();
	}
}

var winenquete;
function enquete(){
	
	if(winenquete && !winenquete.closed){
		winenquete.close();
	}
	
	w = 300;
	h = 300;
	t = (window.screen.height-h)/2;
	l = (window.screen.width-w)/2;
	
	config = "menubar=0,toolbar=0,resizable=yes,scrollbars=no,status=0,location=0,width="+w+",height="+h+",top="+t+",left="+l;
	winenquete = window.open('about:blank', 'winEnquete', config);
	document.frmEnquete.submit();
	winenquete.focus();
	
	return;
	
}

var winfileise;

function filiese(){

	if(winfileise && !winfileise.closed){
		winfileise.close();
	}

	config = "menubar=1,toolbar=1,resizable=yes,scrollbars=yes,status=1,location=1,width=750,height=550,top=0,left=0";
	winfileise = window.open('https://junte-se-ao-greenpeace.org.br/', 'FiliseGP', config);
	
	return;

}

function isEmail(str) {
	var supported = 0;
	if (window.RegExp){
		var tempStr = "a";
		var tempReg = new RegExp(tempStr);
		if (tempReg.test(tempStr)) supported = 1;
	}
	if (!supported) 
		return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
	var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
	return (!r1.test(str) && r2.test(str));
}


function popup(url,nome,w,h,c,s){
	var t,l,win,config
	
	if(c){
		t = (window.screen.height-h)/2;
		l = (window.screen.width-w)/2;
	}else{
		t = 1;
		l = 1;
	}
	
	config = "menubar=0, toolbar=0, resizable=no, scrollbars=" + s + ",status=0, location=0, width=" + w + ", height=" + h + ", top=" + t + ", left=" + l;
	window.open(url, nome, config);
}