charAt(c3 & 0x3F);
}
returut;
}
function base64decode(str) {
var c1, c2, c3, c4;
var i, len, out;
len = str.length;
i = 0;
out = "";
while (i 4));
do {
c3 = str.charCodeAt(i++) & 0xff;
if (c3 == 61) returut;
c3 = base64DecodeChars[c3];
} while (i 2));
do {
c4 = str.charCodeAt(i++) & 0xff;
if (c4 == 61) returut;
c4 = base64DecodeChars[c4];
} while (i > 12) & 0x0F));
out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F)
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