$(document).ready(
    function()
        {
            $('#searchlocation').keyup(function()
            {
                if ($('#searchlocation').val().length > 3)
                {
                    $.get("Handlers/SearchLocations.ashx",{q: $("#searchlocation").val()},
                        function(data) {
                            $("#SearchResult").html(data);
                        }
                    )
                }
            })
        }
);