sub cfgRuntime {
	if (!%runtime) {
		loadConfig();
	}
	$workframe -> Label(-text=>"Folder Separator") -> grid(-row=>1, -column=>1, -rowspan=>2);
	$workframe -> Radiobutton(-text=>"Windows", -value=>"\\", -variable=>\$runtime{'fsep'}) -> grid(-row=>1, -column=>2, -sticky=>"w"); 
	$workframe -> Radiobutton(-text=>"Unix", -value=>"/", -variable=>\$runtime{'fsep'}) -> grid(-row=>2, -column=>2, -sticky=>"w");
	$workframe -> Button(-text => "Save these values", -command=>[\&updGUIInput, "runtime", "save"])
	 -> grid(-row=>1, -column=>3, -sticky=>"e");
	$workframe -> Button(-text => "Discard these values", -command=>[\&updGUIInput, "runtime", "discard"])
	 -> grid(-row=>2, -column=>3, -sticky=>"e");
	$row = 3;
	for (keys %runtime) {
		if ($_ eq "fsep") {next}
		$workframe -> Label(-text=>$_) -> grid(-row=>$row, -column=>1);
		$workframe -> Entry(-width=>100, -textvariable=>\$runtime{$_}) -> grid(-row=>$row, -column=>2);
		$workframe -> Button(-text=>"Delete entry", -command=>
							sub {
								delete $runtime{$_};
							}
							)
							-> grid(-row=>$row, -column=>3);
		$rowsin = $row;
		$row++;
	}
	$btnNew = $workframe -> Button(-text=>"New variable", 
		-command=>\&newVar
		) -> grid(-row=>$row, -column=>1, -sticky=>"w");
}