I have been provided a link for a web badge. To make the badge fit, I'd like to control the size of the default image. The following is the basic javascript link

Code:
<script type="text/javascript" src="http://www.companyname.com/webbadge/insertwebbadge.js?bid=###" ></script>
What variable can I add to this section of code to control the size of the linked image.