Thursday, 27 March 2014

Google Maps in the Background of your Contact Form

There are basically two layers on the page – one is the map and the other is the form – and we are using the z-index property of CSS to define the stack order. The form has a higher z-index than Google Maps and thus the latter appears in the background. Let’s look at the actual code now.

The HTML — There are two DIV elements – the map will render inside the element with ID #googlemaps while everything that you add inside #contactform will show up in your form. You can even embed a Google Form here.
<div id="googlemaps"></div>
<div id="contactform">
<!-- You can even embed a Google Form here -->

The CSS — The #googlemaps element occupies the entire height and width of the page while the #contactform has a fixed width. You can also change the opacity level of #contactform to make your forms slightly transparent.
#googlemaps {
height: 100%;
width: 100%;
top: 0;
left: 0;
z-index: 0; /* Set z-index to 0 as it will be on a layer below the contact form */

#contactform {
position: relative;
z-index: 1; /* The z-index should be higher than Google Maps */
width: 300px;
margin: 60px auto 0;
padding: 10px;
background: black;
height: auto;
opacity: .45; /* Set the opacity for a slightly transparent Google Form */
color: white;

The JavaScript — Find the latitude and longitude of your place and replace the co-ordinates in line #7. You can then copy-paste the modified JavaScript code in the footer of your HTML page.
<!-- Include the Google Maps API library - required for embedding maps -->
<script src=""></script>

<script type="text/javascript">

// The latitude and longitude of your business / place
var position = [27.1959739, 78.02423269999997];

function showGoogleMaps() {

var latLng = new google.maps.LatLng(position[0], position[1]);

var mapOptions = {
zoom: 16, // initialize zoom level - the max value is 21
streetViewControl: false, // hide the yellow Street View pegman
scaleControl: true, // allow users to zoom the Google Map
mapTypeId: google.maps.MapTypeId.ROADMAP,
center: latLng

map = new google.maps.Map(document.getElementById('googlemaps'),

// Show the default red marker at the location
marker = new google.maps.Marker({
position: latLng,
map: map,
draggable: false,
animation: google.maps.Animation.DROP

google.maps.event.addDomListener(window, 'load', showGoogleMaps);

You may refer to the HTML source of this contact form for a complete example.

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