WebApplication/Admin/Js/base64.js

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var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var base64DecodeChars = new Array(
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
     52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
     -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
     15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
     -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
     41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);
 
function base64encode(str) {
     var out, i, len;
     var c1, c2, c3;
 
     len = str.length;
     i = 0;
     out = "";
     while(i < len) {
         c1 = str.charCodeAt(i++) & 0xff;
         if(i == len)
         {
             out += base64EncodeChars.charAt(c1 >> 2);
             out += base64EncodeChars.charAt((c1 & 0x3) << 4);
             out += "==";
             break;
         }
         c2 = str.charCodeAt(i++);
         if(i == len)
         {
             out += base64EncodeChars.charAt(c1 >> 2);
             out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
             out += base64EncodeChars.charAt((c2 & 0xF) << 2);
             out += "=";
             break;
        }
         c3 = str.charCodeAt(i++);
         out += base64EncodeChars.charAt(c1 >> 2);
         out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
         out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6));
         out += base64EncodeChars.charAt(c3 & 0x3F);
     }
     return out;
}
 
function base64decode(str) {
     var c1, c2, c3, c4;
     var i, len, out;
 
     len = str.length;
     i = 0;
     out = "";
     while(i < len) {
         /* c1 */
         do {
             c1 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
         } while(i < len && c1 == -1);
         if(c1 == -1)
            break;