function obrazek(adresa,vyska,sirka,titulek)
{
var sirka_obrazovky=window.screen.width;
var vyska_obrazovky=window.screen.height;
var bod_l = Math.ceil ((sirka_obrazovky-sirka)/2);
var bod_h = (Math.ceil ((vyska_obrazovky-vyska)/2))-15;
var okno=window.open("","okno1","left="+bod_l+",top="+bod_h+",width="+sirka+",height="+vyska+",menubar=no,directories=no,toolbar=no,location=no,status=no,scrollbars=no,resizable=no");
with(okno.document)
{
open();
writeln('\n\n'+titulek+'\n\n');
writeln('
');
writeln('\n');
close();
}
}