Tury - 7:57 pm on Sep 22, 2011 (gmt 0)
Thanks alt131 for participation,
The trick is that background green, main content blue and grey part (that is image) must be scrollable vertically.Although only grey part must be sticked to the browser window size in the same time.
In Birdbrain's example background is fixed to the window and grey is a content part and acts as a website content and can not be a solution unfortunately in my case:(
Hope that will clarify, if not please let me know about it then.
Thanks again for your help.