.levastrana {
    background-color:#52825e;
		background-image:url(http://www.websnadno.cz/css/csspozadizelenes.gif);
		background-position:right;
		background-repeat:repeat-y;
}
.pravastrana {
    background-color:#52825e;
		background-image:url(http://www.websnadno.cz/css/csspozadizelenes2.gif);
		background-position:left;
		background-repeat:repeat-y;
}