Is it possible to tell iphone 4 to use @ 2x graphics on a web page

Question

I am creating an iOS-oriented web page using HTML5, CSS3 and Javascript with jQuery and jQTouch.

I was looking for the option to enable @ 2x graphics so that iPhone 4 could use it, but could not find any information about this.

Is this possible or not? Somebody knows?

Answer 1

Sure:

http://flowz.com/2010/07/css-image-replacement-for-iphone-4-high-dpi-retina-display/