[URGENT] Integrate Google Visualization API (charting tools) with ZOHO HTML views

[URGENT] Integrate Google Visualization API (charting tools) with ZOHO HTML views

ZC currently doesn't support org chart which I'd like to add to my application.  I've searched for other ways to render dynamic org chart and found a Google Visualization API ( http://code.google.com/apis/visualization/documentation/gallery/orgchart.html) which can achieve my goal via a few lines of JavaScript.  I tried integrating the JavaScript in a ZC HTML view but couldn't get it to work.  I found later after reading a couple of posts in the forum that JavaScript is not supported in HTML views.  

Could you please help me with the following?
1. Please confirm whether custom JavaScript is supported in ZC HTML view.
2. If JavaScrpit is not supported in HTML view, are there other ways to integrate custom JavaScript?
3. How can we integrate custom JavaScript with data in ZOHO creator (i.e. populate the org chart using data in ZC)?

Thank you in advance for any info/help you can provide on this topic!

Stanley