Google Map Embed in WordPress Post / Page

functions.php

<?php
// Google Map embed short code
// Usage: [googlemap src="you_url"]
function GoogleMapEmbed($atts, $content = null) {
   extract(shortcode_atts(array(
      "width" => '100%',
      "height" => '480',
      "src" => ''
   ), $atts));
   return '<iframe width="'.$width.'" height="'.$height.'" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="'.$src.'" ></iframe>';
}
add_shortcode("googlemap", "GoogleMapEmbed");
?>