.levastrana {
    background-color:#ffffff;
		background-image:url(csspozadibiles.gif);
		background-position:right;
		background-repeat:repeat-y;
}
.pravastrana {
    background-color:#ffffff;
		background-image:url(csspozadibiles2.gif);
		background-position:left;
		background-repeat:repeat-y;
}