JV Gplus helps you to put a G+ button on your website, using Google +1 Button API.
You can use it to recommend when you want them.
Click +1 to publicly give something your stamp of approval. Your +1's can help friends,
contacts, and others on the web find the best stuff when they search.

As the website administrator, from back end page you can set :
+ Choose appearing position of G+ button (can be fixed)
+ Set the URL to +1 or choose detecting URL mode
+ Set the size of G+ button
+ Choose languages will be shown
+ Include count or no
+ Choose parse type
+ Set Java Script callback function (not required)

This extension includes 1 module and 1 plugin,
Plugin syntax:

{jvgplus position="" fixed="" url="" detect_url="" size="" language="" count="" parse=" " callback=""}{/jvgplus}

EX 1:
{jvgplus position="bl" fixed="0" url="http://joomlavi.com" detect_url="0" size="standard" language="vi" count="1" parse="onload" callback=""}{/jvgplus}

EX 2:
{jvgplus position="tr" fixed="1" url="" detect_url="1" size="tall" language="en-US" count="1" parse="explicit"}{/jvgplus}

*Support: Joomla 1.5, 1.6, 1.7