Making an Online Store

hey all,

i have a computer accessories business, and i think itz about time tht i must start a website store for the company where people can buy stuffs like keyboard, mouse, cd cases, etc.

So wht i want to know is tht how do i set up this kinds site, wherein i can accept payment via credit card. i stay in india and my company is registered. and wht r the security precution wil i be needin to take.

And everything else tht one shuold know about settin up an online store.

thankz in advance