MARGIN = 2;
function regulateFormat(field) {
	if (field.text == "") {
		return;
	}
	var w = field._width-MARGIN;
	var h = field._height-MARGIN;
	var tf = field.getTextFormat();
	var i = tf.size;
	while (i>0) {
		tf.size = i;
		field.setTextFormat(tf);
		if (w>te.textWidth && h>te.textHeight) {
			break;
		}
		i--;
	}
}