/**
*
*  WebToolKit.utf8 (UTF-8 encode / decode) component
*  Compiled by Justas Vinevicius <justas.vinevicius(at)gmail.com>
*  Original code by Tobias Kieslich <tobias(at)justdreams.de>
*
*  Homepage:
*  http://www.webtoolkit.info/
*
**/

if (typeof(WebToolKit) == "undefined") {
	var WebToolKit = {};
};

WebToolKit.utf8 = {

	encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {
			var c = string.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;
	},

	decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;
		while ( i < utftext.length ) {
			c = utftext.charCodeAt(i);
			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1); c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
		}
		return string;
	}

};

if (typeof(String.prototype.utf8encode) == "undefined") {
	String.prototype.utf8encode = function () {
		return WebToolKit.utf8.encode(this);
	};
};

if (typeof(String.prototype.utf8decode) == "undefined") {
	String.prototype.utf8decode = function () {
		return WebToolKit.utf8.decode(this);
	};
};