function clean_username() {
	if (document.login.username.value=="user") {
		document.login.username.value = "";
	}
	documento.login.username.select();
}
function clean_password() {
	if (document.login.password.value=="password") {
		document.login.password.value="";
	}
	document.login.password.select();
}
function validar_login(form) {
	if (validar_login1(form)==true) {
		submeter_login(form);
		return false;
	} else {
		return false;
	}
}
function validar_login1(form) {
	myform = eval("document."+form);
	// validações
	if (jstrim(myform.username.value)=="") {
		alert("Preencha o seu nome de utilizador!");
		myform.username.focus();
		return false;
	}
	if (jstrim(myform.username.value)=="user") {
		alert("Preencha o seu nome de utilizador!");
		myform.nome.focus();
		return false;
	}
	
	if (jstrim(myform.password.value)=="") {
		alert("Preencha a sua palavra-passe!");
		myform.password.focus();
		return false;
	}
	if (jstrim(myform.password.value)=="password") {
		alert("Preencha a sua palavra-passe!");
		myform.password.focus();
		return false;
	}
	
	return true;
}
function submeter_login(form) {
	myform = eval("document."+form);
	myform.username.name="ACUCdAhmUXIKYVFnUTAGNQtela9Xr1tela9Xr1";
	myform.password.name="ACACZghwUXMKeFFpUS8GNAtela9Xr1tela9Xr1";
	myform.submit_login.name="ACMCcghhUW0KZlFyUQIGPAIT1t7VWBROwI5";
    myform.enviar.name="ADUCaQh1UWkKblF0";
	myform.action="../lib/lib_login_process.php";
	myform.submit();
}