How to avoid page scroll-up when a link gets clicked

I have a div which is half way down the page. After I click a button, I load an image in that div. What happens is, that the page scrolls all the w开发者_开发技巧ay up. How to avoid this ?

you have to edit your click event. the simplest thing would be to return false. you could also preventDefault f.e. if you are using jquery.