function okno(url,sirka,vyska){
var sirkaobr = ''+((screen.width/2)-180);
window.open('foto.php?cislo='+url,'foto'+url,'width='+sirka+',top=150,left='+sirkaobr+',height='+vyska+',scrolbars=0,resize=0');
}

function faq(cesta){
window.open('otazky/dot' +cesta +'.html',cesta,'toolbar=0, menubar=1,location=0,scrollbars=yes,width=500,height=300,resizable=0,left=30');	
}