make sure there aren't 2 instances of the line that sets the api key:
<script type="text/javascript" src="http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAvZMU4-DFRYtw1UlTj_zc6hT2yXp_ZAY8_ufC3CFXhHIE1NvwkxQcT1h-VA8wQL5JBdsM5JWeJpukvw">/*wagmp*/</script>
When generateing the api key, make sure you using only the domian name:
mydomain.com
and not adding in the page name:
page.php


