var choices = new Array(-1, -1, -1, -1);
var choicesMade = 0;
function delChoices() {
    choices = new Array(-1, -1, -1, -1);
    choicesMade = 0;
    document.sortquestsform.play_answer1.value="";
    document.sortquestsform.play_answer2.value="";
    document.sortquestsform.play_answer3.value="";
    document.sortquestsform.play_answer4.value="";
}
function addChoice(i, key) {
    if (choicesMade < 4) {
		choices[choicesMade] = key;
		choicesMade++;
		if (i == 0) { document.sortquestsform.play_answer1.value = "  " + choicesMade + ".  "; } 
		else if (i == 1) { document.sortquestsform.play_answer2.value = "  " + choicesMade + ".  "; }
		else if (i == 2) { document.sortquestsform.play_answer3.value = "  " + choicesMade + ".  "; }
		else if (i == 3) { document.sortquestsform.play_answer4.value = "  " + choicesMade + ".  "; }
		
	}
    
    if (choicesMade == 4) { 
        saveChoices(); 
        document.sortquestsform.submit();
    }
}
function saveChoices() {
    for (i=0; i<4; i++) {
        document.sortquestsform.nUsrResponse.value += choices[i];
        if(i < 3) document.sortquestsform.nUsrResponse.value += "#:#";
	}
}