function checkData() {
	var f1 = document.forms[0];
	var wm = "<?PHP echo $strJSHello; ?>\n\r\n";
	var noerror = 1;

	// --- entered_login ---
	var t1 = f1.entered_login;
	if (t1.value == "" || t1.value == " ") {
		wm += "<?PHP echo $strLogin; ?>\r\n";
		noerror = 0;
	}

	// --- entered_password ---
	var t1 = f1.entered_password;
	if (t1.value == "" || t1.value == " ") {
		wm += "<?PHP echo $strPassword; ?>\r\n";
		noerror = 0;
	}

	// --- check if errors occurred ---
	if (noerror == 0) {
		alert(wm);
		return false;
	}
	else return true;
}

function getlogout ( selected )
{
  document.loginform.logout.value = selected ;
  document.loginform.submit() ;
}