danke! so hab ichs jetzt gemacht:
Code:
function check(revisionname) {
checkbox = document.getElementsByName(revisionname)[0];
if (checkbox.checked == true ) {
if ( box.length == 0 ) {
box.push(checkbox.value);
}
else if ( box.length > 0) {
firstelement = box.shift();
box.push(firstelement);
box.push(checkbox.value);
}
}
else if ( checkbox.checked == false) {
for (i=0; i < box.length; i++) {
if ( box[i] == checkbox.value ) {
box.splice(i,1);
}
}
// for (i=0; i < box.length; i++) {alert(box[i]);};
}
if (box.length > 2) {
alert('Please choose only 2 revisions');
checkbox.checked = false;
box.pop()
}
}
Lesezeichen