Edit: I meant radio control

Just a quick question (I'm just learning Jscript, so be nice), here's what I have:

1 Window with 4 radio controls defined in my XML file (Resp0, Resp1, Resp2, Resp3)

1 array (thecapt) with 10 strings called ("Blah 1", "Blah 2", "Blah 3", "Blah 4", "Blah 5" etc...)

What I need is to be able to load 4 strings from this array into the 4 radio controls at runtime - at the moment I can load the first 4 strings, however for the script to work the strings from the array need to be randomly selected (and not repeated in another radio control). I don't know how to explain really so heres a kinda example..

Run 1:

    O Blah 1
    O Blah 3
    O Blah 4
    O Blah 2

Run 2:

    O Blah 3
    O Blah 4
    O Blah 2
    O Blah 1

Etc... (each O is supposed to represent a radio control btw)

At the moment the code to fill the radio controls (in order) is as follows:

code:

---

    iwnd = MsgPlus.CreateWnd("Interface.xml","WndReply")
   
    var i
    for (i=0; i< 4; i++)
    {
        iwnd.SetControlText ("Resp"+[i], thecapt[i])
    }

---

code:

---

function RandNo(TopNo)
{
    return Math.floor(Math.random() * TopNo);
}

---

The random element will be easy to code: just multiply the result of Math.random() by the length of the array. As for enuring no duplicates, try this:
1. Make a copy of the array, prefereably as a list or set.
2. Select an item from the copy at random.
3. use item.
4. Delete selected item from copy.
5. Repeat from 2.

Wow thanks! That method would be great.

One more quick question though, how do you remove a certain item from an array? i.e. after selecting the item at random,  how would I go about removing it from the array?

Thanks for the help

I don't know about from an array, which is why I suggested a list or set. Not sure if they exist in JScript though: MSDN will have the answers, and if not, Google.

Well thanks for the help anyway

I loked through the MSDN library and didnt find anything about removing certain items from and array, but found a couple that returns (x) items from whatever start position you choose, as well as one that joins 2 or more arrays.

Using this I created a function that loops through the copy of the array until it finds the item to delete (storing each item in a third, temporary array). Then when it reaches the item to delete, it just adds all the remaining items after that to the temporary array, thus creating a copy of the array with the item removed

There are probably more effective methods, but this one seems to work, so I'm happy