jQuery Official Doc.
Example

<script src="http://www.google.com/jsapi"></script>
<script>
    // Load jQuery
    google.load("jquery", "1.2.6");
</script>
<script>
    $().ready(function() {                
        $("#my_region_id").css("position", "relative");
        
        $("#my_control_region_id input").click(function(e){            
            e.preventDefault();
            
            var btn_id = $(this).attr("id");
            
            if (btn_id == 'btnShake') {
                $("#my_region_id").animate({"left": "100px"}, "fast")
                                  .animate({"left": "0px"}, "fast")
                                  .animate({"left": "100px"}, "fast")
                                  .animate({"left": "0px"}, "fast")
                                  .animate({"left": "100px"}, "fast")
                                  .animate({"left": "0px"}, "fast");
            }
            else if (btn_id == 'btnMoveDownUp') {
               $("#my_region_id").animate({"top": "250px"}, "fast")
                                 .animate({"top": "0px"}, "slow")
                                 .animate({"top": "250px"}, "fast")
                                 .animate({"top": "0px"}, "slow");
            }
            else if (btn_id == 'btnMoveAround') {
               $("#my_region_id").animate({"top": "250px","left": "250px"}, "fast")
                                 .animate({"left": "0px"}, "fast")
                                 .animate({"top": "0px"}, "slow")
            }
        });
    });
</script>