function next()
{
	
	if (document.f1.cod_cliente.value=="")
	{
		alert("Introduza o Número de cliente!!");
		document.f1.cod_cliente.focus();
		return false;
	}
	if (document.f1.login.value=="")
	{
		alert("Introduza o Login!!");
		document.f1.login.focus();
		return false;
	}
	if (document.f1.password.value=="")
	{
		alert("Introduza a password!!");
		document.f1.password.focus();
		return false;
	}
	
	document.f1.submit();
	return true;
}


function testa()
{
	jQuery(document).bind('keydown', 'return',function (evt){next(); return false; });	
	
	return false;
}

function submitenter(myfield,e)
{
	var keycode;
	
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	else return true;
	
	if (keycode == 13)
	{
		myfield.form.submit();
		return false;
	}
	else
	   return true;
}