Drag Markers and Polylines

function MarkersAndPolys(markers) {

    var id;
    var mark = {};

    var length = [markers.length];
    var infowindow = new google.maps.InfoWindow();

    for (var i = 0; i < length; i++) {
        dataPoint = markers[i];
        var latlong = new google.maps.LatLng(dataPoint.Point_GPS_LatitudeDec, dataPoint.Point_GPS_LongitudeDec);

        var marker = new MarkerWithLabel({
            position: latlong,
            map: map,
            icon: 'https://maps.gstatic.com/intl/en_us/mapfiles/markers2/measle_blue.png',
            labelContent: dataPoint.OrderInRoute,
            labelAnchor: new google.maps.Point(6, 35),
            labelClass: "Markerlabels",
            labelInBackground: false,
            draggable: true,
            reqID: dataPoint.RequestID
        });

        marker.setMap(map);
        id = marker.__gm_id
        reqID = marker.RequestID;
        mark[id] = marker;

        map.setCenter(marker.getPosition());
        markersArray.push(marker);
        map.setZoom(13);

        var latlong = new google.maps.LatLng(dataPoint.Point_GPS_LatitudeDec, dataPoint.Point_GPS_LongitudeDec);
        lats.push(new google.maps.LatLng(latlong.lat(), latlong.lng()))


        var paths = new google.maps.Polyline({
            map: map,
            path: lats,
            strokeColor: '#FF0000',
            strokeOpacity: 1.0,
            strokeWeight: 1,
            geodesic: true
            //editable: true,
            //draggable: true
        });
        poly.push(paths);
        content = MarkersInfoWindowPoints();
        bindInfoW(marker, content, infowindow);

        google.maps.event.addListener(marker, 'dragend', function (evt) {
            var lat = evt.latLng.lat().toFixed(myCoordsLenght);
            var long = evt.latLng.lng().toFixed(myCoordsLenght);
            reqID = this.reqID;
            PageMethods.AlterCoords(lat, long, reqID);
        });

        google.maps.event.addListener(marker, "rightclick", function (point) {
            var conf = confirm("Clear Marker?");
            if (conf == true) {
                id = this.__gm_id;
                reqID = this.reqID;
                delMarker(id)
                PageMethods.CreateStatusRouteClientSide(reqID);
                }
        });
        var delMarker = function (id) {
            marker = mark[id];
            marker.setMap(null);
        }

    }

}