if (navigator.appName == "Microsoft Internet Explorer")
{
if (parseInt(navigator.appVersion) >=4) 
{
document.write( "<a href=\"javascript:history.go(0);\" onclick=\"javascript:this.style.behavior='url(#default#homepage)';this.setHomePage('http://www.infocesko.cz');\" class='lnk'>Set as Homepage</a><br>"); 
document.write( "<a href=\"javascript:window.external.AddFavorite('http://www.infocesko.cz', 'InfoČesko.cz');\" class='lnk'>Add to Favorites</a>"); 
} 
}