context:   var encode64 = function (input) {    var keyStr =      "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";    var output = "";    var chr1, chr2, chr3;    var enc1, enc2, enc3, enc4;    var i = 0;    do {      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;      if (isNaN(chr2)) {        enc3 = enc4 = 64;      } else if (isNaN(chr3)) {        enc4 = 64;      }      output +=        keyStr.charAt(enc1) +        keyStr.charAt(enc2) +        keyStr.charAt(enc3) +        keyStr.charAt(enc4);    } while (i < input.length);    return output;  }
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/32797ee18a2c92a797417cb1392f24fa90943b97/XmlHttpTransport.js/clean/qooxdoo/frontend/framework/source/class/qx/io/remote/XmlHttpTransport.js