function intercetta() {
    var regex = new RegExp("(^|\\s)blank(\\s|$)");
    for (var i = 0; i < document.links.length; i++)
        if (regex.test(document.links[i].className))
            document.links[i].target = "_blank";
    for (var i = 0; i < document.forms.length; i++)
        if (regex.test(document.links[i].className))
            document.forms[i].target = "_blank";

    var arVersion = navigator.appVersion.split("MSIE")
    var version = parseFloat(arVersion[1])

    if ((version >= 5.5) && (version <= 6.0) && (document.body.filters)) {
        for (var i = 0; i < document.images.length; i++) {
            var img = document.images[i];
            var imgName = img.src.toUpperCase();
            if (imgName.substring(imgName.length - 3, imgName.length) == "PNG") {
                var imgID = (img.id) ? "id='" + img.id + "' " : "";
                var imgClass = (img.className) ? "class='" + img.className + "' " : "";
                var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
                var imgStyle = "display:inline-block;" + img.style.cssText;
                if (img.align == "left") imgStyle = "float:left;" + imgStyle;
                if (img.align == "right") imgStyle = "float:right;" + imgStyle;
                if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle;
                var strNewHTML = "<span " + imgID + imgClass + imgTitle
                + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
                + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>";
                img.outerHTML = strNewHTML;
                i = i - 1;
            }
        }
    }
}

function popup_informativa(n) {
    var w = window.open("popup_informativa_" + n + ".aspx", "informativa", "resizable=no,width=360,height=360,scrollbars=yes,border=no");
    w.focus();
}

function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') { window.onload = func; }
    else { window.onload = function () { if (oldonload) oldonload(); func(); } }
}

addLoadEvent(intercetta);