var Base64={_keyStr:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",encode:function(C){var A="";var J,H,F,I,G,E,D;var B=0;C=Base64._utf8_encode(C);while(B<C.length){J=C.charCodeAt(B++);H=C.charCodeAt(B++);F=C.charCodeAt(B++);I=J>>2;G=((J&3)<<4)|(H>>4);E=((H&15)<<2)|(F>>6);D=F&63;if(isNaN(H)){E=D=64;}else{if(isNaN(F)){D=64;}}A=A+this._keyStr.charAt(I)+this._keyStr.charAt(G)+this._keyStr.charAt(E)+this._keyStr.charAt(D);}return A;},decode:function(C){var A="";var J,H,F;var I,G,E,D;var B=0;C=C.replace(/[^A-Za-z0-9\+\/\=]/g,"");while(B<C.length){I=this._keyStr.indexOf(C.charAt(B++));G=this._keyStr.indexOf(C.charAt(B++));E=this._keyStr.indexOf(C.charAt(B++));D=this._keyStr.indexOf(C.charAt(B++));J=(I<<2)|(G>>4);H=((G&15)<<4)|(E>>2);F=((E&3)<<6)|D;A=A+String.fromCharCode(J);if(E!=64){A=A+String.fromCharCode(H);}if(D!=64){A=A+String.fromCharCode(F);}}A=Base64._utf8_decode(A);return A;},_utf8_encode:function(B){B=B.replace(/\r\n/g,"\n");var A="";for(var D=0;D<B.length;D++){var C=B.charCodeAt(D);if(C<128){A+=String.fromCharCode(C);}else{if((C>127)&&(C<2048)){A+=String.fromCharCode((C>>6)|192);A+=String.fromCharCode((C&63)|128);}else{A+=String.fromCharCode((C>>12)|224);A+=String.fromCharCode(((C>>6)&63)|128);A+=String.fromCharCode((C&63)|128);}}}return A;},_utf8_decode:function(A){var B="";var C=0;var D=c1=c2=0;while(C<A.length){D=A.charCodeAt(C);if(D<128){B+=String.fromCharCode(D);C++;}else{if((D>191)&&(D<224)){c2=A.charCodeAt(C+1);B+=String.fromCharCode(((D&31)<<6)|(c2&63));C+=2;}else{c2=A.charCodeAt(C+1);c3=A.charCodeAt(C+2);B+=String.fromCharCode(((D&15)<<12)|((c2&63)<<6)|(c3&63));C+=3;}}}return B;}};