function ValidateLogin(ip, directory) {
	if (directory == "")
	    dir_portion = "";
	else	
	    dir_portion = directory + '/';

	if (document.LoginForm.UserName.value == "") {
	    alert("Please enter your User Name.");
	    document.LoginForm.UserName.focus();
	    return;
	}
	else if (document.LoginForm.UserName.value.indexOf("'",0)!=-1) {
	    alert("The User Name cannot contain single quote.");
		document.LoginForm.UserName.focus();
	    return;
    }	    	    	
	else if (document.LoginForm.Password.value == "") {
	    alert("Please enter your Password.");
	    document.LoginForm.Password.focus();
	    return;
	}
	else if (document.LoginForm.Secure.checked) {
	    document.LoginForm.action='https://' + ip  + '/' + dir_portion + 'auth_login.php';
	    document.LoginForm.submit();
	}
	else {
	    document.LoginForm.action='http://' + ip  + '/' + dir_portion + 'auth_login.php';
	    document.LoginForm.submit();
	}
    }