} else if ($(this).hasClass("RemoveAll")) { // ALL REMOVED
rightSel.children().appendTo(leftSel);
rightSel.children().remove();
el.find('option').attr("selected", false);
//el.children().attr("selected", false); -- PROBLEM WITH OPTGROUP
} else if ($(this).hasClass("RemoveAll")) { // ALL REMOVED
rightSel.children().appendTo(leftSel);
rightSel.children().remove();
el.find('option').attr("selected", false);
//el.children().attr("selected", false); -- PROBLEM WITH OPTGROUP