function textBoxSelect(item, from, to) {
  if (item.setSelectionRange) {
    // Mozilla/Firefox
    item.setSelectionRange(from, to);
  } else if (item.createTextRange) {
    // IE
    var range = item.createTextRange();
    range.moveStart("character", from);
    range.moveEnd("character", to - item.value.length);
    range.select();
  };
};

function selectAll(item) {
  textBoxSelect(item, 0, item.value.length);
};