var $control = this.getControl(this.FieldName, 'minput');
var $i = $control.length - 1;
while ($i >= 0) {
if ($control.options[$i].selected == true) {
this.Records[$control.options[$i].value] = null; // preserves index, when removing element from middle of array. this.Records.splice($control.options[$i].value, 1);