<!--
var ie4 = (document.all) ? true : false;
var ns4 = (document.layers) ? true : false;
var ns6 = (document.getElementById && !document.all) ? true : false;

function writetolayer(lay,txt) {
if (ie4) {
document.all[lay].innerHTML = txt;
}
if (ns4) {
document[lay].document.write(txt);
document[lay].document.close();
}
if (ns6) {
over = document.getElementById([lay]);
range = document.createRange();
range.setStartBefore(over);
domfrag = range.createContextualFragment(txt);
while (over.hasChildNodes()) {
over.removeChild(over.lastChild);
}
over.appendChild(domfrag);
   }
}

if (3 <= navigator.appVersion.substring(0,1)) 
{
        acquistaon = new Image();
        acquistaon.src = "/images/btn_prenota_on.gif";
        acquistaoff = new Image();
        acquistaoff.src = "/images/btn_prenota.gif";
        
}

function rollon(imgName) {
        if (3 <= navigator.appVersion.substring(0,1)) {
        imgOn = eval(imgName + "on.src");
        $(imgName).src = imgOn;
        }
}

function rolloff(imgName) {
        if (3 <= navigator.appVersion.substring(0,1)) {
        $(imgName).src = eval(imgName + "off.src");
        }
}

function rollonAcq(imgName) {
        if (3 <= navigator.appVersion.substring(0,1)) {
        $(imgName).src = acquistaon.src;
        }
}

function rolloffAcq(imgName) {
        if (3 <= navigator.appVersion.substring(0,1)) {
        $(imgName).src = acquistaoff.src;
        }
}

// -->