function popup_subpage(page)
{
subpage = window.open("./"+page,"subpage","left=0,top=0,width=720,height=336,scrollbars=no");
subpage.focus();
}
// Open image window
function img_open(filename, w, h, title) {
with (window.open('', '', (w && h ? 'width=' + w + ', height=' + h : 'width=100, height=100'))) {
document.write('\n\n');
if (title) {
document.write('\n' + title + '\n\n');
}
document.write('\n\n\n');
document.write('');
document.write('
');
document.write('\n');
document.write('\n\n\n');
return true;
}
return false;
}
function emailCheck(field, alert_string)
{
if (alert_string == "") { alert_string = "Zadejte e-mail."; }
return eregCheck(alert_string, field, /^[^ @]+@[^ @]+\.[^ @]+$/);
}
function eregCheck(alert_string, field, regexp)
{
if (field.value == '' || regexp.test(field.value)) {
return true;
} else {
field.focus();
alert(alert_string);
return false;
}
}
function ulozitCheck(f)
{
for (i=1; i