Simple problem

Just wanna know how to be able to load an external textfile with this code?


var cssStyles:TextField.StyleSheet = new TextField.StyleSheet ();
cssStyles.load ("styles/styles.css");
cssStyles.onLoad = function (success) {
	if (success) {
		adress_txt.styleSheet = cssStyles;
		adress_txt.text = "...my .txt file...";
	} else {
		adress_txt.text = "Text not loaded.";
	}
}