jak ustawic zmienna? Opcje

[korki]

mam skrypt javy w postaci

Kod

          <script language=javascript>


            var leaktest = 1;


            var leakurl = "http://www.radiozet.pl/radiozet.pls";

            var winampx;
            var hwndset = 0;
            var autoscroll = 1;
            var gecko =  !(navigator.appName == 'Microsoft Internet Explorer');
            var initted = 0;
            ...

jak teraz zmienic wartosc leakurl (IMG:http://forum.php.pl/style_emoticons/default/questionmark.gif) np pobierajac ja z adresu, albo z pola select (onChange) ?