function openURI() {
var control = document.pagenrmenu.pagenr;
location.href = control.options[control.selectedIndex].src;
}
function openURIo() {
var control = document.pagenrmenuo.pagenro;
location.href = control.options[control.selectedIndex].src;
}
function openURIf() {
var control = document.fotonrmenu.fotonr;
location.href = control.options[control.selectedIndex].src;
}