C="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";function base64(s){c=0,o="",p="";for(i=0;i<s.length/3;i++){t=0;for(j=0;j<3;j++){if(i*3+j>=s.length)c++;t+=(s.charCodeAt(i*3+j)<<(16-j*8))}for(j=0;j<4;j++){o+=(c&&j==4-c)?c--?"=":0:C.charAt((t&(63<<(18-j*6)))>>(18-j*6))}}for(i=0;i<o.length;i++)p+=o.substr(i*76,76)+"";return p}

NUMS={A:0,B:1,C:2,D:3,E:4,F:5,G:6,H:7,I:8,J:9,K:10,L:11,M:12,N:13,O:14,P:15,Q:16,R:17,S:18,T:19,U:20,V:21,W:22,X:23,Y:24,Z:25,a:26,b:27,c:28,d:29,e:30,f:31,g:32,h:33,i:34,j:35,k:36,l:37,m:38,n:39,o:40,p:41,q:42,r:43,s:44,t:45,u:46,v:47,w:48,x:49,y:50,z:51,'0':52,'1':53,'2':54,'3':55,'4':56,'5':57,'6':58,'7':59,'8':60,'9':61,'+':62,'/':63,'=':0};function debase64(s){t=0,o="";for(j=-1;j++<s.length/4;){t=0;for(i=0;i<4;i++)t+=NUMS[s.charAt(j*4+i)]<<(3-i)*6;o+=String.fromCharCode(t>>16,(t>>8)&255,t&255)}return o}