function utf8_encode ( str_data ) {	// Encodes an ISO-8859-1 string to UTF-8
	// 
	// +   original by: Webtoolkit.info (http://www.webtoolkit.info/)

	str_data = str_data.replace(/\r\n/g,"\n");
	var utftext = "";

	for (var n = 0; n < str_data.length; n++) {
		var c = str_data.charCodeAt(n);
		if (c < 128) {
			utftext += String.fromCharCode(c);
		} else if((c > 127) && (c < 2048)) {
			utftext += String.fromCharCode((c >> 6) | 192);
			utftext += String.fromCharCode((c & 63) | 128);
		} else {
			utftext += String.fromCharCode((c >> 12) | 224);
			utftext += String.fromCharCode(((c >> 6) & 63) | 128);
			utftext += String.fromCharCode((c & 63) | 128);
		}
	}

	return utftext;
}