gistfile1.js

      var move = function(e) {
        var width = document.viewport.getWidth();
        var left = windows.hasClassName('nicklist') ? 200 : 100;
        var visible  = toggle.hasClassName('visible');
        if (!visible && width - e.pointerX() > left)
          return;

        window.onmousemove = null;
        toggle.addClassName('visible');

        var end = function() {
          toggle.removeClassName('visible');
          window.onmousemove = move;
        };

        var end_timer = setTimeout(end, 1500);

        setTimeout(function() {
          window.onmousemove = function() {
            clearTimeout(end_timer);
            end_timer = setTimeout(end, 1500);
          };
        }, 1000);
      };

      window.onmousemove = move;