if (document.getElementsByTagName) {
        // Initialize external link handlers
        var hrefs = document.getElementsByTagName("a");
        for (var l = 0; l < hrefs.length; l++) {
                // try {} catch{} block added by erikvold VKI
            try{
                    //protocol, host, hostname, port, pathname, search, hash
                    if (hrefs[l].protocol == "mailto:") {
                            startListening(hrefs[l],"click",trackMailto);
                    } else if (hrefs[l].hostname == location.host) {
                            var path = hrefs[l].pathname + hrefs[l].search;
                            var isDoc = path.match(/\.(?:doc|eps|jpg|png|svg|xls|ppt|pdf|xls|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)($|\&|\?)/);
                            if (isDoc) {
                                    startListening(hrefs[l],"click",trackExternalLinks);
                            }
                    } else if (!hrefs[l].href.match(/^javascript:/)) {
                            startListening(hrefs[l],"click",trackExternalLinks);
                    }
                    var re= new RegExp("^.*/password/[^/]*\.pdf$")
                    var h=hrefs[l].href.toString();
                    var isProtected= h.match(re);
                    if(isProtected)
                    {
                        hrefs[l].href=hrefs[l].href.replace('password','1');
                        continue;
                    }
                    re= new RegExp("^.*/secure/[^/]*\.pdf$")
                    var notProtected= h.match(re);
                    if(notProtected)
                    {
                        hrefs[l].href=hrefs[l].href.replace('secure','2');
                        continue;
                    }
            }
            catch(e){
                    continue;
            }
        }
}
function startListening (obj,evnt,func) {
        if (obj.addEventListener) {
                obj.addEventListener(evnt,func,false);
        } else if (obj.attachEvent) {
                obj.attachEvent("on" + evnt,func);
        }
}
function trackMailto (evnt) {
        var href = (evnt.srcElement) ? evnt.srcElement.href : this.href;
        var mailto = "/mailto/" + href.substring(7);
        if (typeof(pageTracker) == "object") pageTracker._trackPageview(mailto);
}
function trackExternalLinks (evnt) {
        var e = (evnt.srcElement) ? evnt.srcElement : this;
        while (e.tagName != "A") {
                e = e.parentNode;
        }
        var lnk = (e.pathname.charAt(0) == "/") ? e.pathname : "/" + e.pathname;
        var tmplnk=lnk;
        if (e.search && e.pathname.indexOf(e.search) == -1) lnk += e.search;
        if (e.hostname != location.host) lnk = "/external/" + e.hostname + lnk;
        if (typeof(pageTracker) == "object") pageTracker._trackPageview(lnk);
        
        
        var re= new RegExp("^.*/1/[^/]*\.pdf$")
        var isProtected= lnk.match(re);
        if(isProtected)
        {
            if(!checkCookieExist('_rsi_password')){
            showForm('form1',tmplnk);
            stopEvent(evnt);
            cancelEvent(evnt);
            return false;
            }
            else{
            tmplnk=tmplnk.replace('/1/','/password/');
            showForm('NoForm',tmplnk);
            stopEvent(evnt);
            cancelEvent(evnt);
            return false;
            }
        }
        re= new RegExp("^.*/2/[^/]*\.pdf$")
        var notProtected= lnk.match(re);
        if(notProtected)
        {
            if(!checkCookieExist('_rsi_secure')){
            showForm('form2',tmplnk);
            stopEvent(evnt);
            cancelEvent(evnt);
            return false;
            }
            else{
            tmplnk=tmplnk.replace('/2/','/secure/')
            showForm('NoForm',tmplnk);
            stopEvent(evnt);
            cancelEvent(evnt);
            return false;
            }
        }
        
}
function checkCookieExist(cookiename)
{
        //validate cookies
        if (document.cookie.indexOf(cookiename) != -1){
        return true;    
        }
        else
        {
        return false;    
        }
}
function stopEvent(e) {
    if (!e) e = window.event;
    if (e.stopPropagation) {
        e.stopPropagation();
    } else {
        e.cancelBubble = true;
    }
}
function cancelEvent(e) {
    if (!e) e = window.event;
    if (e.preventDefault) {
        e.preventDefault();
    } else {
        e.returnValue = false;
    }
}