setting the opacity for background image

[httsang79]

I would like to set 50% opacity for the background image, i use the following CSS like this:

opacity : .5;
Filter: Alpha(Opacity=50);

Finally it is done but all the texts are also in 50% opacity. so How can i make the background image opacity 50% only without text?..thks

[amir abbas]

unfortunately you are not able to do it
if you set opacity both image and text will be affected