Google Chrome that uses the same database as Firefox also gives that warning screen.
Click the "Why was this page blocked" button to open the Safebrowsing Diagnostic page for the site.

I don't see currently any code on that main page (view-source:http://www.asiandeco.com/ : his Site is Under Construction), so I assume that you cleaned up everything and in that case you can ask Google to review your site.

http://www.google.com/safebrowsing/diagnostic?site=http://www.asiandeco.com What is the current listing status for asiandeco.com?

   Site is listed as suspicious - visiting this web site may harm your computer.

What happened when Google visited this site?

   Of the 1 pages we tested on the site over the past 90 days, 0 page(s) resulted in malicious software being downloaded and installed without user consent. The last time Google visited this site was on 2011-09-02, and the last time suspicious content was found on this site was on 2011-08-30.

   This site was hosted on 1 network(s) including AS26496 (PAH).

Has this site acted as an intermediary resulting in further distribution of malware?

   Over the past 90 days, asiandeco.com did not appear to function as an intermediary for the infection of any sites.

Has this site hosted malware?

   Yes, this site has hosted malicious software over the past 90 days. It infected 1 domain(s), including asiandeco.us/.

How did this happen?

   In some cases, third parties can add malicious code to legitimate sites, which would cause us to show the warning message.

Thank you so much for your comments. Can you be kind enough to tell me how do I ask Google to review my site again ?

See:

• http://www.google.com/support/webmasters/bin/answer.py?answer=163633