Drop-down Document Viewer II
Description: Version II of the original drop down document viewer, this script uses text links to allow your visitors to select/ view external documents from your site. Specify whether the selected page is loaded in an inline frame or new window. Note that many prominent web sites do NOT allow loading their web sites inside an IFRAME, such as Google and Yahoo, by way of the X-Frame-Options. In these cases the IFRAME will appear blank, so be sure to check each site you're loading into this script to confirm it works.
Demo: In demo, selected pages are configured to load in an inline frame.
CNN.com | MSNBC | ABC News | BBC UK News
Directions 
Step 1: Simply add the following to the BODY section of your page
As shown inside the code above, links for the script should be set up using the syntax:
<a href="javascript:jumpto('http://www.cnn.com')">CNN.com</a>