function toggle(theDiv){

                  for(var i=1; i<2; i++){

                    var ds = "showther";

                   var elemen = document.getElementById(ds);

                         if(elemen.style.display == ""){

                               elemen.style.display = "none";

                          }

                        }

                   var elem = document.getElementById(theDiv);

                   elem.style.display = (elem.style.display == "none")? "" : "none";

}
function open_win(id) {
var win_size_x=800; //horizontální velikost okna
var win_size_y=600; //vertikální velikost okna
var win_pos_x=(screen.width-win_size_x)/2; //horizontální pozice okna
var win_pos_y=100; //vertikální velikost okna
window.open("nahled.php?id_img="+id,"náhled","scrollbars=no,resizable=yes,width="+win_size_x+",height="+ win_size_y+",top="+win_pos_y+",left="+win_pos_x+"");
//alert(id);
}