hyperlink - How to increase a php var without refreshing the page? -

can me solve prob : i've page width div id (section of page #1 #2 ...) , link (next), how can increase link each time user click on without refreshing page ? sample if link 1 .. link become 2 etc ..

any ideas ?

ajax if need pull data server again on click.

standard javascript if want number increment locally in browser without fancy.