private void highlightArea(int pos, int len, String col) {
SimpleAttributeSet attrs = new SimpleAttributeSet();
StyleConstants.setForeground(attrs, getColour(col));
document.setCharacterAttributes(pos, len, attrs, true);
}
static {
StyleConstants.setForeground(PLAIN_ATTR, Color.black);
StyleConstants.setBold(PLAIN_ATTR, false);
StyleConstants.setFontFamily(PLAIN_ATTR, "Helvetica");
StyleConstants.setFontSize(PLAIN_ATTR, 14);
}