browserName=navigator.appName;
browserVer=parseInt(navigator.appVersion);
if (browserName=="Netscape" && browserVer >= 3) version="Ok";
        else if (browserName=="Microsoft Internet Explorer" && browserVer >= 4) version="Ok";
                else version="Err";
if (version=="Ok") {
   				   
   		company_off=new Image(129,20);
        company_off.src="/images/company.gif";
        company_on=new Image(129,20);
        company_on.src="/images/company2.gif";
		
		nkalypsi_off=new Image(154,20);
        nkalypsi_off.src="/images/nkalypsi.gif";
        nkalypsi_on=new Image(154,20);
        nkalypsi_on.src="/images/nkalypsi2.gif";
		
		daneia_off=new Image(95,20);
        daneia_off.src="/images/daneia.gif";
        daneia_on=new Image(95,20);
        daneia_on.src="/images/daneia2.gif";
		
		contact_off=new Image(130,20);
        contact_off.src="/images/contact.gif";
        contact_on=new Image(130,20);
        contact_on.src="/images/contact2.gif";
		
		home_off=new Image(31,20);
        home_off.src="/images/home.gif";
        home_on=new Image(31,20);
        home_on.src="/images/home2.gif";
		
		mail_off=new Image(41,17);
        mail_off.src="/images/mail.gif";
        mail_on=new Image(41,17);
        mail_on.src="/images/mail2.gif";
		
		akinita_off=new Image(168,81);
        akinita_off.src="/images/akinita.gif";
        akinita_on=new Image(168,81);
        akinita_on.src="/images/akinita2.gif";
		
		eakinita_off=new Image(170,81);
        eakinita_off.src="/images/eakinita.gif";
        eakinita_on=new Image(170,81);
        eakinita_on.src="/images/eakinita2.gif";
		
		kataskeves_off=new Image(170,81);
        kataskeves_off.src="/images/kataskeves.gif";
        kataskeves_on=new Image(170,81);
        kataskeves_on.src="/images/kataskeves2.gif";
		
        }
function UrlOn(ImageName) {
        if (version=="Ok") {
        image_on=eval(ImageName + "_on.src");
        document.images[ImageName].src=image_on;
        }}
function UrlOff(ImageName) {
        if (version=="Ok") {
        document.images[ImageName].src=eval(ImageName + "_off.src");
        }}