function chat_sound() {
         if ($('#sounds').attr('src') == '/designs_65/chat/sound_low.png') {
             $('#sounds').attr('src', '/designs_65/chat/sound_mute.png');
             sounds = 0
         } else {
             $('#sounds').attr('src', '/designs_65/chat/sound_low.png');
             sounds = 1;
         }
     }