br=(((navigator.appName == "Netscape") &&
(parseInt(navigator.appVersion) >= 3 )) ||
((navigator.appName == "Microsoft Internet Explorer") &&
(parseInt(navigator.appVersion) >= 4 )));

function preload(img) {
var a=new Image(); a.src=img; return a;
}

if(br) {

tm01on=preload('img/tm-solution-on.gif');tm01off=preload('img/tm-solution.gif');
tm02on=preload('img/tm-company-on.gif');tm02off=preload('img/tm-company.gif');
tm03on=preload('img/tm-news-on.gif');tm03off=preload('img/tm-news.gif');
tm04on=preload('img/tm-contacts-on.gif');tm04off=preload('img/tm-contacts.gif');

btn01on=preload('img/btn-get_more_info-on.gif');btn01off=preload('img/btn-get_more_info.gif');
btn02on=preload('img/btn-send-on.gif');btn02off=preload('img/btn-send.gif');
}