select part of an image and repeat it as a background

Question

i want to select 5px of this image (Sprites) and repeat it as a background

19px left side - 5px in the middle - 19px right side

Div:first-child{background:url(frame.png) left center no-repeat;} 
Div:last-child{background:url(frame.png) right center no-repeat;} 
Div{background:url(frame.png) center center repeat-y;}