diff --git a/README.md b/README.md
index ebd4c7ea..d0ea6294 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ h5ai is provided under the terms of the [MIT License](http://github.com/lrsjng/h
 ## Changelog
 
 
-### v0.18 - *2012-02-??*
+### v0.18 - *2012-02-24*
 
 * adds optional QRCode display
 * adds optional filtering for displayed files and folders
diff --git a/src/_h5ai/js/inc/lib/base64.js b/src/_h5ai/js/inc/lib/base64.js
index 61e4c290..322b008c 100644
--- a/src/_h5ai/js/inc/lib/base64.js
+++ b/src/_h5ai/js/inc/lib/base64.js
@@ -1,135 +1,137 @@
+
+/*
+ * taken from here:
+ * http://www.webtoolkit.info/javascript-base64.html
+ * with minor modifications
+ */
 var Base64 = {
 
-// private property
-_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
+	// private property
+	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
 
-// public method for encoding
-encode : function (input) {
-    var output = "";
-    var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
-    var i = 0;
+	// public method for encoding
+	encode : function (input) {
+		var output = "";
+		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
+		var i = 0;
 
-    input = Base64._utf8_encode(input);
+		input = Base64._utf8_encode(input);
 
-    while (i < input.length) {
+		while (i < input.length) {
 
-        chr1 = input.charCodeAt(i++);
-        chr2 = input.charCodeAt(i++);
-        chr3 = input.charCodeAt(i++);
+			chr1 = input.charCodeAt(i++);
+			chr2 = input.charCodeAt(i++);
+			chr3 = input.charCodeAt(i++);
 
-        enc1 = chr1 >> 2;
-        enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
-        enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
-        enc4 = chr3 & 63;
+			enc1 = chr1 >> 2;
+			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
+			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
+			enc4 = chr3 & 63;
 
-        if (isNaN(chr2)) {
-            enc3 = enc4 = 64;
-        } else if (isNaN(chr3)) {
-            enc4 = 64;
-        }
+			if (isNaN(chr2)) {
+				enc3 = enc4 = 64;
+			} else if (isNaN(chr3)) {
+				enc4 = 64;
+			}
 
-        output = output +
-        this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
-        this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
+			output = output +
+			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
+			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
 
-    }
+		}
 
-    return output;
-},
+		return output;
+	},
 
-// public method for decoding
-decode : function (input) {
-    var output = "";
-    var chr1, chr2, chr3;
-    var enc1, enc2, enc3, enc4;
-    var i = 0;
+	// public method for decoding
+	decode : function (input) {
+		var output = "";
+		var chr1, chr2, chr3;
+		var enc1, enc2, enc3, enc4;
+		var i = 0;
 
-    input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
+		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
 
-    while (i < input.length) {
+		while (i < input.length) {
 
-        enc1 = this._keyStr.indexOf(input.charAt(i++));
-        enc2 = this._keyStr.indexOf(input.charAt(i++));
-        enc3 = this._keyStr.indexOf(input.charAt(i++));
-        enc4 = this._keyStr.indexOf(input.charAt(i++));
+			enc1 = this._keyStr.indexOf(input.charAt(i++));
+			enc2 = this._keyStr.indexOf(input.charAt(i++));
+			enc3 = this._keyStr.indexOf(input.charAt(i++));
+			enc4 = this._keyStr.indexOf(input.charAt(i++));
 
-        chr1 = (enc1 << 2) | (enc2 >> 4);
-        chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
-        chr3 = ((enc3 & 3) << 6) | enc4;
+			chr1 = (enc1 << 2) | (enc2 >> 4);
+			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
+			chr3 = ((enc3 & 3) << 6) | enc4;
 
-        output = output + String.fromCharCode(chr1);
+			output = output + String.fromCharCode(chr1);
 
-        if (enc3 != 64) {
-            output = output + String.fromCharCode(chr2);
-        }
-        if (enc4 != 64) {
-            output = output + String.fromCharCode(chr3);
-        }
+			if (enc3 != 64) {
+				output = output + String.fromCharCode(chr2);
+			}
+			if (enc4 != 64) {
+				output = output + String.fromCharCode(chr3);
+			}
 
-    }
+		}
 
-    output = Base64._utf8_decode(output);
+		return Base64._utf8_decode(output);
+	},
 
-    return output;
+	// private method for UTF-8 encoding
+	_utf8_encode : function (string) {
+		string = string.replace(/\r\n/g,"\n");
+		var utftext = "";
 
-},
+		for (var n = 0; n < string.length; n++) {
 
-// private method for UTF-8 encoding
-_utf8_encode : function (string) {
-    string = string.replace(/\r\n/g,"\n");
-    var utftext = "";
+			var c = string.charCodeAt(n);
 
-    for (var n = 0; n < string.length; 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);
+			}
 
-        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;
+	},
 
-    }
+	// private method for UTF-8 decoding
+	_utf8_decode : function (utftext) {
+		var string = "";
+		var i = 0;
+		var c = c1 = c2 = 0;
 
-    return utftext;
-},
+		while ( i < utftext.length ) {
 
-// private method for UTF-8 decoding
-_utf8_decode : function (utftext) {
-    var string = "";
-    var i = 0;
-    var c = c1 = c2 = 0;
+			c = utftext.charCodeAt(i);
 
-    while ( i < utftext.length ) {
+			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;
+			}
 
-        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;
-}
+		}
 
+		return string;
+	}
 }