DOM = (document.getElementById) ? 1 : 0;

NS4 = (document.layers) ? 1 : 0;

Konqueror = (navigator.userAgent.indexOf("Konqueror") > -1) ? 1 : 0;
Konqueror21 = (navigator.userAgent.indexOf("Konqueror 2.1") > -1 || navigator.userAgent.indexOf("Konqueror/2.1") > -1) ? 1 : 0;
Konqueror22 = (navigator.userAgent.indexOf("Konqueror 2.2") > -1 || navigator.userAgent.indexOf("Konqueror/2.2") > -1) ? 1 : 0;
Konqueror2 = Konqueror21 || Konqueror22;

Opera = (navigator.userAgent.indexOf("Opera") > -1) ? 1 : 0;
Opera5 = (navigator.userAgent.indexOf("Opera 5") > -1 || navigator.userAgent.indexOf("Opera/5") > -1) ? 1 : 0;
Opera6 = (navigator.userAgent.indexOf("Opera 6") > -1 || navigator.userAgent.indexOf("Opera/6") > -1) ? 1 : 0;
Opera56 = Opera5 || Opera6;

IE = (document.all) ? 1 : 0;
IE4 = IE && !DOM;

isIE = false;
navVer = navigator.appVersion;
ver = parseFloat(navVer);
IEPos = navVer.indexOf('MSIE');

if (IEPos !=-1) {
        isIE = true;
        ver = parseFloat(navVer.substring(IEPos+5,navVer.indexOf(';',IEPos)));
}

isIE5up = (isIE && ver >= 5);

function CheckObject(ID){
        if ((DOM && !Opera56 && !Konqueror2) || IE4) {
                if (!IE4) {
                        objLayer = document.getElementById(ID);
                } else {
                        objLayer = document.all(ID);
                }
        } else {
                objLayer = null;
        }

        return objLayer;
}

function ShowProducts(ID) {
        obj = CheckObject(ID);
        if(obj != null){
                if (objLayer.style.display == "none")
                        objLayer.style.display = "block";
                else
                        objLayer.style.display = "none";
        }
}

function show(url,wi,he,ran_win) {
        myWindow=window.open(url,ran_win,"toolbar=no,location=no,directories=no,status=no,menubar=no, scrollbars=yes, resizable=yes, height=" + he + ",width=" + wi);
        return false;
}

function show2(url,wi,he,ran_win) {
       myWindow=window.open(url,'',"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,height=" + he + ",width=" + wi);
}

function setBookmark() {
        HomePage = top.location.href;
        window.external.AddFavorite(HomePage,'Бизнес-портал Investor.net.ua');
}

function setNSHomepage(URL) {  // this HAS to be signed if it is to run on the web
        var Text = 'Ваш броузер не поддерживает функцию\n';

        Text += ' автоматического добавления сайта\n';
        Text += 'в \'Избранное\'\n';
        Text += 'Вы можете добавить его вручную.';

        if (confirm(Text)) {
                        netscape.security.PrivilegeManager.enablePrivilege("UniversalPreferencesWrite");
                  navigator.preference('browser.startup.homepage',URL);
        }
}

function preSetHome(lnk){
        HomePage = top.location.href;
        if (document.layers) {
                setNSHomepage(HomePage);
        } else if (isIE5up) {
                 lnk.style.behavior='url(#default#homepage)';
                 lnk.setHomePage(HomePage);
        } else {
                alert('К сожалению, Ваш броузер не поддерживает даную функцию.\n Измените даную настройку вручную');
        }
        return false;
}

function hideLogin(ID) {
        if ((DOM && !Opera56 && !Konqueror2) || IE4) {
                obj = CheckObject(ID);

                if(window.innerWidth){
                        obj.style.left = window.innerWidth / 4;
                        obj.style.top = window.innerHeight / 4;
                } else {
                        obj.style.left = 300;
                        obj.style.top = 200;
                }
                if (obj.style.visibility == "hidden") {
                        obj.style.visibility = "visible";
                } else {
                        obj.style.visibility = "hidden";
                }
        }
}

function displayImage(targetURL, caption, width, height,cat){
        if (width == null || width == "")
                width = 600;
        if (height == null || height == "")
                height = 430;
        if(targetURL.indexOf(".jpg") != -1 || targetURL.indexOf(".gif") != -1
                || targetURL.indexOf(".jpeg") != -1 || targetURL.indexOf(".png") != -1)
                window.open("http://techin.com.ua/displayImage.php?image="+targetURL+"&title="+caption+"&cat="+cat,"","titlebar=no,toolbar=no,location=no,directories=no,menubar=no,resizable=yes,scrollbars=yes,width="+width+",height="+height+",status=no");
        return false;
}