In Maylaysia you are limited as to taking cards. Here is a link to a site where you can get a full US business registered business and a credit card merchant account.
http://forummembersservices.com/myUScompany/
You can find out all you need to know on Google Checkout by doing a search on this forum - it's been discussed many times - or by going to Google and seeing what they have to say. Many do not like it because it does not allow you to register your customers. They are much more strict than PayPal.