test arrow key

gistfile1.txt

$(document).keydown(function(e){
  speed = 3
  switch (e.keyCode) {
    case 37: // Move Left      
      $('.dialog').offset({left: $('.dialog').offset().left - speed});
    break;

    case 39: // Move Right
      $('.dialog').offset({left: $('.dialog').offset().left + speed});
    break;

    case 38: // Move Up
      $('.dialog').offset({top: $('.dialog').offset().top - speed});
    break;

    case 40: // Move Down
      $('.dialog').offset({top: $('.dialog').offset().top + speed});
    break;
  }
});