a#istituz1:link    { background-position:0px -100px; }
a#istituz1:hover   { background-position:0px -100px; }
a#istituz1:visited { background-position:0px -100px; }



#contenuti { background: url(../img/bg_chisiamo.jpg) no-repeat 0 0; }

body { background-image: url(../img/bg_body_finestra.jpg);	}