function otevri_okno(url,w,h, winname,scroll,posLeft, posTop) {
            //if (scroll!='no')scroll='yes';
            if (isNaN(scroll)) scroll='no';
            if (isNaN(posLeft)) posLeft=10;
            if (isNaN(posTop)) posTop=10;
            if (isNaN(winname)) winname=url;
            if (isNaN(w)) w=600;
            if (isNaN(h)) h=450; // "+scroll+"
            window.open("../zoom.php?img="+url, winname, "toolbar=no,location=no,scrollbars=yes,directories=no,status=no,menubar=no,resizable=yes,width="+w+",height="+h+",left="+posLeft+",top="+posTop+"");
        }
        
        function otevri_stranku(url,w,h, winname,scroll,posLeft, posTop) {
            if (isNaN(scroll)) scroll='yes';
            if (isNaN(posLeft)) posLeft=10;
            if (isNaN(posTop)) posTop=10;
            if (isNaN(winname)) winname=url;
            if (isNaN(w)) w=600;
            if (isNaN(h)) h=450; // "+scroll+"
            if (url=='jl') {
            	url = 'jidelni_listek.php';
            } else if (url=='cp') {
            	url = '../cenik.php';
            } else if (url=='cpe') {
            	url = '../cenik.php?lang=en';
            } else if (url=='cpd') {
            	url = '../cenik.php?lang=de';
            } else if (url=='vl') {
            	url = 'vinny_listek.php';
            } else if (url=='jln') {
            	url = 'novinky.php';
            } else if (url=='tm') {
            	url = 'tydeni_menu.php';
            } else if (url=='mecs') {
            	url = '../menu.php?lang=';
            } else if (url=='meen') {
            	url = '../menu.php?lang=1';
            } else if (url=='mede') {
            	url = '../menu.php?lang=2';
            } else if (url=='news') {
            	url = 'aktuality.php';
            } else if (url=='news2') {
            	url = 'cs/aktuality.php';
            } else {
            	url = 'napojovy_listek.php';
            }
            window.open(url, winname, "toolbar=no,location=no,scrollbars=yes,directories=no,status=no,menubar=no,resizable=yes,width="+w+",height="+h+",left="+posLeft+",top="+posTop+"");
        }