background-attachment

Values

scroll | fixed | local

All elements

Defines whether background images are scrolled together with the element while scrolling. In IE7 this property only works for body.

body{
background-attachment: scroll, scroll, fixed;
}
div.fixbg{
background-attachment: fixed;
}

Chrome	Firefox	Internet Explorer	Opera	Safari
1.0+	1.0+	4.0+	3.5+	1.0+