Hi guys, I"m having trouble to write jquery code, i'm trying to use css images using hover and active but is look like is not going to work when using images, i guess i have to use jquery, what i'm trying to figure out how to write in jquery to make works

Code:
#menubar1 li a:hover{background-image: url(arrow-one.png);
height:26px;
background-repeat: no-repeat;}


#menubar1 li a:active{background-image: url(arrow-two.png);
height:26px
;background-repeat: no-repeat;}
Can any one help me thanks.

AM