How to enable WebGL in chrome , firefox

Steps to enable WebGL in chrome , firefox 

Google Chrome version: 16.0.912.63


This WebGL requires a WebGL-compatible graphics card and that WebGL is enabled.

check to make sure you have a compatible card
with the latest drivers from your card manufacturer.
For a list of Chrome WebGL compatible cards, check out Chrome support.

Some versions of Chrome can disable WebGL,
please check chrome://flags to ensure it is enabled.

 Firefox4.0 and higher

Variables can be accessed by typing "about:config" in the address bar


then search for "webgl.force-enabled" from the list and set it to true.(if not found add by Right-click, new,..)