Create Map Programmatically

/// <reference path="http://maps.google.com/maps/api/js?v=3.exp" />
/// <reference path="jquery-2.1.3.js" />
$(document).ready(function () {
    getLocation();
    showRoute();
});

function getLocation() {
    showPosition();
}

var directionsDisplay;
var directionsService = new google.maps.DirectionsService();
var map;

function showPosition() {
    var mapcanvas = document.getElementById('map');
    directionsDisplay = new google.maps.DirectionsRenderer();

    // Bloemfontein, ZA
    var coords = new google.maps.LatLng(-29.1210600
                      , 26.2140000);
    var options = {
        zoom: 6,
        center: coords,
        mapTypeControl: false,
        navigationControlOptions: {
            style: google.maps.NavigationControlStyle.SMALL
        },
        mapTypeId: google.maps.MapTypeId.ROADMAP
    };

    map = new google.maps.Map(mapcanvas, options);
    directionsDisplay.setMap(map);
}

function showRoute() {
    // Cape Town, WC, ZA
    var start = 'Cape Town, WC, ZA';
    var end = 'Pretoria, GP, ZA';
    var waypnts = [];
    waypnts.push({
        location:'Worcester, WC, ZA',
    });
    waypnts.push({
        location: 'Beaufort West, WC, ZA',
    });
    waypnts.push({
        location: 'Three Sisters, NC, ZA',
    });
    waypnts.push({
        location: 'De Aar, NC, ZA',
    });
    waypnts.push({
        location: 'Oranjerivier, NC, ZA',
    });
    waypnts.push({
        location: 'Kimberley, NC, ZA',
    });
    waypnts.push({
        location: 'Warrenton, NC, ZA',
    });
    waypnts.push({
        location: 'Bloemhof, NW, ZA',
    });
//    waypnts.push({
//        location: 'Klerksdorp, NW, ZA',
//   });
//    waypnts.push({
//        location: 'Vereeniging, GP, ZA',
//    });
//    waypnts.push({
//        location: 'Johannesburg, GP, ZA',
//    });

// Seems there's an 8 waypoint limit for free users.

    var request = {
        origin: start,
        destination: end,
        waypoints: waypnts,
        optimizeWaypoints: true,
        travelMode: google.maps.TravelMode.DRIVING
    };

    directionsService.route(request, function (response, status) {
        if (status == google.maps.DirectionsStatus.OK) {
            directionsDisplay.setDirections(response);     
        }
    });
}