.topheader_cz {
     background-image: url("https://webarchiv.lib.cas.cz:443/wayback/20091211154954/http://www.uochb.cz/custom/img/1/bg_1.jpg"); 
}
.topheader_en{
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/*
     FILE ARCHIVED ON 15:49:54 Dec 11, 2009 AND RETRIEVED FROM THE
     AN OPENWAYBACK INSTANCE ON 19:15:39 Jul 28, 2025.
     JAVASCRIPT APPENDED BY OPENWAYBACK, COPYRIGHT INTERNET ARCHIVE.

     ALL OTHER CONTENT MAY ALSO BE PROTECTED BY COPYRIGHT (17 U.S.C.
     SECTION 108(a)(3)).
*/