var OSName="Unknown OS";
	if (navigator.appVersion.indexOf("Win")!=-1)
		OSName="Windows";
	if (navigator.appVersion.indexOf("Mac")!=-1)
		OSName="MacOS";
	if (navigator.appVersion.indexOf("X11")!=-1)
		OSName="UNIX";
	if (navigator.appVersion.indexOf("Linux")!=-1)
		OSName="Linux";

//document.write('Your OS: '+OSName);

// -------------------------------------------------------------------------------------

function Verify( field, message)
{
	if (field.value == "")
	{
		window.alert("Por favor, complete o campo : " + message);
		field.focus();
		return false;
	}
	return true;
}

// -------------------------------------------------------------------------------------

function show(valor)
{
	var valor = valor;
	if( document.getElementById(valor).style.display == 'none')
	{
		document.getElementById(valor).style.display = 'block';
		return false;
	}
	else
	{
		document.getElementById(valor).style.display = 'none';
		return false;
	}
}

// -------------------------------------------------------------------------------------

var win = null;
function NovaJanela(pagina,nome,w,h,scroll)
{
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',no-resizable'
	win = window.open(pagina,nome,settings);
}

//

function verificaLogin()
{
	var emailad		= document.formLogin.login.value;
  var pass			= document.formLogin.pass.value;
  var exclude		= /[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
  var check			= /@[\w\-]+\./;
  var checkend	= /\.[a-zA-Z]{2,3}$/;
  //
  if( emailad == "" || pass == "")
  {
    alert('Por favor, preencha os campos de login/senha.');
    return false;
  }
  else if(((emailad.search(exclude) != -1)||(emailad.search(check)) == -1)||(emailad.search(checkend) == -1))
  {
    alert('Por favor, insira um email válido !');
    return false;
  }
  return true;
}

function validaEmail()
{
  var email			= document.Form.email.value;
  var exclude		= /[^@\-\.\w]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;
  var check			= /@[\w\-]+\./;
  var checkend	= /\.[a-zA-Z]{2,3}$/;
  //
  if(((email.search(exclude) != -1)||(email.search(check)) == -1)||(email.search(checkend) == -1))
  {
    alert('Por favor, insira um email válido !');
    return false;
  }
  return true;
}

//
function senhasIguais()
{
	//pass1 = document.FormPass.senha.value;
	//pass2 = document.FormPass.senhaConf.value;
	//
	if( document.FormPass.senha.value.length < 6 && document.FormPass.senhaConf.value.length < 6)
	{
		alert('Por favor, sua senha deve ter no minimo 6 caracteres.');
		return false;
	}
	else if ( document.FormPass.senha.value != document.FormPass.senhaConf.value)
	{
		alert('Por favor, verifique se as senhas conferem.');
		document.FormPass.senhaConf.focus();
		return false;
	}
	return true;
}
//
function emailsIguais()
{
	email1 = document.Form.email.value;
	email2 = document.Form.emailConf.value;
	//
	if ( email1 != email2)
	{
		alert('Por favor, verifique se seus emails conferem.');
		return false;
	}
}