Insertion Sort w JS

insertion.js

var insert = function(array, rightIndex, value) {
    var i = 0;
    for (var j = 1; array[j] < array[i]; j++) {
        var tmp = array[i];
        array[i] = array[j];
        array[j] = tmp;
        i++;
        break;
    }
    for (i = rightIndex; value < array[i] && i >= 0; i--) {
        var tmp = array[i];
        array[i] = value;
        array[i+1] = tmp;
    }
};

var array = [3, 5, 7, 11, 13, 2, 9, 6];

insert(array, 4, 2);
println("Array after inserting 2:  " + array);
Program.assertEqual(array, [2, 3, 5, 7, 11, 13, 9, 6]);

insert(array, 5, 9);
println("Array after inserting 9:  " + array);
Program.assertEqual(array, [2, 3, 5, 7, 9, 11, 13, 6]);

insert(array, 6, 6);
println("Array after inserting 6:  " + array);
Program.assertEqual(array, [2, 3, 5, 6, 7, 9, 11, 13]);