Need to set Google Maps APIv3 dynamically by postcode from the database

I'm trying to install the new Google APIv3 Map for our event pages here (2nd one in the middle of the page).

The current map is the old embedded one and I need to use a postcode parameter like the one currently:

 
    <div class="event-map">
        <iframe src="http://maps.google.co.uk/maps?q=<%=server.URLEncode(""&rs("ca_postcode"))%>&amp;ie=UTF8&amp;hq=&amp;hnear=<%=Session("PublicFranchiseName")%>+<%=server.URLEncode(""&rs("ca_postcode"))%>,+United+Kingdom&amp;z=14&amp;iwloc=near&amp;output=embed"></iframe>
    </div>
<% end if %>

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Here's the code I've tried from Google's instructions using the asp generated postcodes from the database
<%=server.URLEncode(""&rs("ca_postcode"))%>

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, but it doesn't register the postcodes:

<div id='map-canvas'></div>
 <script src="http://maps.googleapis.com/maps/api/js?q=<%=server.URLEncode(""&rs("ca_postcode"))%>&hnear=<%=Session("PublicFranchiseName")%>+<%=server.URLEncode(""&rs("ca_postcode"))%>,+United+Kingdom&key=xxxxxxxxxxxx&sensor=false"></script>
<script>
var map;
function initialize() {
  var mapOptions = {
    zoom: 8,
    center: new google.maps.LatLng(-34.397, 150.644),
    mapTypeId: google.maps.MapTypeId.ROADMAP
  };
  var geolocate = function(address, callback) {
        $.ajax({
                url: "http://maps.googleapis.com/maps/api/geocode/json",
                data: {
                    "sensor": true,
                    "address": address
                },
                dataType: "json",
                success: function(d) {
                    if (d.status == "ZERO_RESULTS") callback(false);
                    if (d.results && d.results[0] && d.results[0].geometry) {
                        callback({
                            "ne": d.results[0].geometry.bounds.northeast,
                            "sw": d.results[0].geometry.bounds.southwest,
                            "center": d.results[0].geometry.location
                        });
                    }
                    else callback(false);
                }
            });
  };
  map = new google.maps.Map(document.getElementById('map-canvas'),
      mapOptions);
  geolocate("<%=server.URLEncode(""&rs("ca_postcode"))%>&hnear=<%=Session("PublicFranchiseName")%>+<%=server.URLEncode(""&rs("ca_postcode"))%>,+United+Kingdom", function(c) {
        map.setCenter(new google.maps.LatLng(c.center.lat, c.center.lng));
 });
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>

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Any help would be much appreciated.
UName10Asked:
Who is Participating?
 
UName10Connect With a Mentor Author Commented:
Hi there, it was the zoom! All fixed now, thanks for the help.
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leakim971PluritechnicianCommented:
replace &amp; by &
if it don't work, do a right on the page in your web browser and choose view source, locate the iframe and the URL, post it here, thanks
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UName10Author Commented:
Hi there, it's not an iframe and can't use &amp;..
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leakim971PluritechnicianCommented:
line 2 of your first code snipet...
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UName10Author Commented:
Oh that's the old one just for reference.  I need to make the 2nd one work if you can help there?
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leakim971PluritechnicianCommented:
do a right on the page in your web browser and choose view source, locate the script and the URL, post it here, thanks
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UName10Author Commented:
Hi there sorry for the delay..

Here's the source for that section:

    <div id='map-canvas'></div>
     <script src="http://maps.googleapis.com/maps/api/js?q=CM14+5AY&hnear=Brentwood+CM14+5AY,+United+Kingdom&key=AIzaSyBaPEDyFbbnWjtvT8W3UBOM34Y7g6vK69A&sensor=false"></script>
    <script>
    var map;
    function initialize() {
      var mapOptions = {
        zoom: 8,
        center: new google.maps.LatLng(-34.397, 150.644),
        mapTypeId: google.maps.MapTypeId.ROADMAP
      };
	  var geolocate = function(address, callback) {
			$.ajax({
					url: "http://maps.googleapis.com/maps/api/geocode/json",
					data: {
						"sensor": true,
						"address": address
					},
					dataType: "json",
					success: function(d) {
						if (d.status == "ZERO_RESULTS") callback(false);
						if (d.results && d.results[0] && d.results[0].geometry) {
							callback({
								"ne": d.results[0].geometry.bounds.northeast,
								"sw": d.results[0].geometry.bounds.southwest,
								"center": d.results[0].geometry.location
							});
						}
						else callback(false);
					}
				});
	  };
      map = new google.maps.Map(document.getElementById('map-canvas'),
          mapOptions);
 	  geolocate("CM14+5AY", function(c) {
			map.setCenter(new google.maps.LatLng(c.center.lat, c.center.lng));
	 });
    }
    google.maps.event.addDomListener(window, 'load', initialize);
    </script>

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It's picking up the postcode which is good...it's just the javascript which isn't working.
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UName10Author Commented:
Perfect solution.
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