isamap = new Object();
isamap[0] = "_df"
isamap[1] = "_ov"
isamap[2] = "_ot"
isamap[3] = "_dn"

function ApriFinestra(str) {
        searchWin = window.open(str,'Window','scrollbars=yes,resizable=yes,width=950,height=650,status=no,location=no,toolbar=no','yes');
}

function ApriFinestra3(str) {
      searchWin = window.open(str,"Window","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=795,height=530,left=70,top=70"); 
}

function isimgact(id, act)
{
      window.event.srcElement.style.cursor="hand";
	if(document.images) document.images[id].src = eval( "isimages." + id + isamap[act] + ".src");
}

if (document.images) { // ensure browser can do JavaScript rollovers.
isimages = new Object();
isimages.BarraNavigazione1_df = new Image();
isimages.BarraNavigazione1_df.src = "images/tsentra.jpg";

isimages.BarraNavigazione1_ov = new Image();
isimages.BarraNavigazione1_ov.src = "images/overtsentra.jpg";

}