Nonrepeating random number array [AS2]

var totalQuestions = 10;
var amountToPick = 5;
var questionsList:Array = [];

while(questionsList.length<amountToPick) {
    var randomNumber = random(totalQuestions)+1;
    var foundRepeat = false;
    for(var i in questionsList) {
        if(questionsList[i] == randomNumber) {
            foundRepeat = true;
            break;
        }
    }
    if(!foundRepeat) {
        questionsList.push(randomNumber);
    }
}
trace(questionsList);