//
//	Librairie by The Rubik's Man
//		 © 2005-2006
//
/**
  *		Methodes :
  *					--  encode()
  *					--  decode()
  *
  *		Exemple d'utilisation :
  *					var ChaineCodee = UTF8_tool.encode("Chaine a coder");  ||  var ChaineDecodee = UTF8_tool.decode("Chaine a decoder")
  */
var UTF8_tool = function (){}
	
	/**
	  *		Fonction permettant de coder une chaine de caracteres en codage UTF8
	  *		@ param string => la chaine a encoder
	  *		@ return => la chaine de caracteres en format UTF8
	  */
	UTF8_tool.encode = function (string)
							     {
									var 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;
							     };
	/**
	  *		Fonction permettant de decoder une chaine de caracteres  UTF8 vers un codage ANSI
	  *		@ param string => la chaine a decoder
	  *		@ return => la chaine de caracteres en format ANSI
	  */
	UTF8_tool.decode = function (string)
							     {
									utftext = string;
									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;
							     };
//
//	Librairie by The Rubik's Man
//		    © 2005-2006
//