-/* From: www.webtoolkit.info */
-qwebirc.util.b64Decode = function(data) {
- data = data.replace(/[^A-Za-z0-9\+\/\=]/g, "");
-
- var output = [];
- var table = qwebirc.util.b64Table;
- for(var i=0;i<data.length;) {
- var enc1 = table.indexOf(data.charAt(i++));
- var enc2 = table.indexOf(data.charAt(i++));
- var enc3 = table.indexOf(data.charAt(i++));
- var enc4 = table.indexOf(data.charAt(i++));
-
- var chr1 = (enc1 << 2) | (enc2 >> 4);
- var chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
- var chr3 = ((enc3 & 3) << 6) | enc4;
-
- output.push(String.fromCharCode(chr1));
- if (enc3 != 64)
- output.push(String.fromCharCode(chr2));
- if (enc4 != 64)
- output.push(String.fromCharCode(chr3));
+qwebirc.util.invertFn = function(fn) {
+ return function() {
+ return !fn.apply(this, arguments);