function urlencode(string){
	return utf8encode(string);
}

function urldecode(string){
	return utf8decode(string);
}


function urlspeencode(string){
	string = Remplace(string,"'","%apo%");
	return encodeURI(string);
}

function urlspedecode(string){
	string = decodeURI(string);
	string = Remplace(string,"%apo%","\'");
	return string;
}

function utf8encode(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;
}

function utf8decode(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;
}


function Remplace(expr,a,b) {
  var i=0
  while (i!=-1) {
	 i=expr.indexOf(a,i);
	 if (i>=0) {
		expr=expr.substring(0,i)+b+expr.substring(i+a.length);
		i+=b.length;
	 }
  }
  return expr
}