ActionScript 2.0 :: [CS3] - Mark The End Of An Array?

I have an array that basically calls out numbers for a gotoAndStop action. We have external swfs that get loaded in. Each slide is its own frame in the external swf and they want the flexibility to remove slides at the last minute so my array looks like this:

Code:
var myDocs:Array = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22"];
var i:Number = 0;

There are going to be a lot of sections with a varied number of slides and I am looking for a simple code I can attach to the navigation that basically says:

Code:
on (release) {
if (you have not reached the end of the array);{
++i;
gotoAndStop(myDocs[i]);}
}

Is there a code out there that doesn't require you to put specific number values in? like "if (i<22)"?