See "Lucky Numbers Widget" as installed
Type in the two limit values and push button to get a random number in between.

Lucky Numbers widget code (free to use in your website or blog)
<iframe width="200" height="172" src="http://www.siforonline.com/random-number.asp" marginwidth="1" marginheight="6" name="RandomNumber" title="Random Number offered by http://www.siforonline.com" scrolling="no" style="border: 2px solid #1873C7" frameborder="0"></iframe>

And you can chek here for a free hotel widget.