browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);

if (browser_name == "Netscape" && browser_version < 2.0)
        {allow = 'false';}
else if (browser_name == "Netscape" && browser_version == 2.0)
        {allow = 'false';}
else if (browser_name == "Netscape" && browser_version >= 3.0)
        {allow = 'true';}
else if (browser_name == "Microsoft Internet Explorer" && browser_version <= 2.0)
        {allow = 'false';}
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 2.0)
        {allow = 'true';}
else
        {allow = 'false';}

if (allow == 'true')
        {
var image1 = new Image(); image1.src = "/images/news_on.gif";
var image2 = new Image(); image2.src = "/images/articles_on.gif";
var image3 = new Image(); image3.src = "/images/know_on.gif";
var image4 = new Image(); image4.src = "/images/services_on.gif";
var image5 = new Image(); image5.src = "/images/products_on.gif";
var image6 = new Image(); image6.src = "/images/projects_on.gif";
var image7 = new Image(); image7.src = "/images/contacts_on.gif";
var image8 = new Image(); image8.src = "/images/clients_on.gif";

var image9 = new Image(); image9.src = "/images/images_rus/eng_on.gif";
var image10 = new Image(); image10.src = "/images/images_rus/news_on.gif";
var image11 = new Image(); image11.src = "/images/images_rus/articles_on.gif";
var image12 = new Image(); image12.src = "/images/images_rus/know_on.gif";
var image13 = new Image(); image13.src = "/images/images_rus/services_on.gif";
var image14 = new Image(); image14.src = "/images/images_rus/products_on.gif";
var image15 = new Image(); image15.src = "/images/images_rus/projects_on.gif";
var image16 = new Image(); image16.src = "/images/images_rus/contacts_on.gif";
var image17 = new Image(); image17.src = "/images/images_rus/clients_on.gif";

var image18 =new Image(); image18.src = "/images/images_eng/rus_on.gif";
var image19 =new Image(); image19.src = "/images/images_eng/news_on.gif";
var image20 =new Image(); image20.src = "/images/images_eng/articles_on.gif";
var image21 =new Image(); image21.src = "/images/images_eng/know_on.gif";
var image22 =new Image(); image22.src = "/images/images_eng/services_on.gif";
var image23 =new Image(); image23.src = "/images/images_eng/products_on.gif";
var image24 =new Image(); image24.src = "/images/images_eng/projects_on.gif";
var image25 =new Image(); image25.src = "/images/images_eng/contacts_on.gif";
var image26 =new Image(); image26.src = "/images/images_eng/clients_on.gif";
       }
function rollOver( imgName ) {
    if ( eval("document." + imgName + ".src.search('_off') > 0 ")  ) {
        eval("document." + imgName + ".src = document." + imgName + ".src.replace('_off', '_on')");
    } else {
        eval("document." + imgName + ".src = document." + imgName + ".src.replace('_on', '_off')");
    }
}