Google Phone Tracking For Genesis Child Theme

<?php

/*
* Google Phone Tracking For Google Adwords In A Genesis Child Theme.
*
* Step 1.
* Add this snippet into the Functions File, then ... 
*
* Step 2.
* Replace all instance of the phone number (07) 1234 5678 ans =671712345678 
* with the phone number you want to use.
*
* Step 3.
* Add the following html anywhere in the website you need to track the phone number
* <a id="googlenumber" class="phone" href="tel:+61712345678">07 1234 5678</a>
*
*/

//* Google Phone Conversion Tracking
add_action('wp_head', 'posbiz_google_dynamic_phone_number_tracking');
function posbiz_google_dynamic_phone_number_tracking() { ?>
<!-- Google Phone Conversion Tracking Script goes here -->
<?php }

//* Google Tracking Number Dynamic Replacement
add_action('wp_head', 'posbiz_google_dynamic_phone_number_replacement');
function posbiz_google_dynamic_phone_number_replacement() { ?>
<script type="text/javascript">
    var callback = function(formatted_number, mobile_number) {
      // formatted_number: number to display, in the same format as
      //        the number passed to _googWcmGet().
      //        (in this case, '07 1234 5678')
      // mobile_number: number formatted for use in a clickable link
      //        with tel:-URI (in this case, '+61712345678')
      var e = document.getElementById("googlenumber");
      e.href = "tel:" + mobile_number;
      e.innerHTML = "";
      e.appendChild(document.createTextNode(formatted_number));
    };
</script>
<?php }

//* Google Dynamic Tracking Number
add_filter( 'genesis_attr_body', 'posbiz_custom_attributes_body' );
function posbiz_custom_attributes_body( $attributes ) {
    $attributes['onload'] = "_googWcmGet(callback, '07 1234 5678')";
    return $attributes;
}