i need help with my code
this is my example – http://jsfiddle.net/urK7t/
and full size page – http://dev.fama.net.pl/tides/
concept:

i would like to have 100% width and 100% height, overflow:hidden DIV with wide image in it witch i can move left and right, this image should resize on window resize, now as u see in my examples is just stretch image height and i would like to resize whole image but i dont want to show whole image it need to be move left and right
The styles you want for your image are these:
In the future, the CSS property you really want is
object-fit: http://www.netmagazine.com/tutorials/control-image-aspect-ratios-css3