var base64EncodeChars=["A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","0","1","2","3","4","5","6","7","8","9","+","/"];var base64DecodeChars=[-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,j,len;var c1,c2,c3;len=str.length;i=j=0;out=[];while(i<len){c1=str.charCodeAt(i++)&0xff;if(i==len)
{out[j++]=base64EncodeChars[c1>>2];out[j++]=base64EncodeChars[(c1&0x3)<<4];out[j++]="==";break;}
c2=str.charCodeAt(i++)&0xff;if(i==len)
{out[j++]=base64EncodeChars[c1>>2];out[j++]=base64EncodeChars[((c1&0x03)<<4)|((c2&0xf0)>>4)];out[j++]=base64EncodeChars[(c2&0x0f)<<2];out[j++]="=";break;}
c3=str.charCodeAt(i++)&0xff;out[j++]=base64EncodeChars[c1>>2];out[j++]=base64EncodeChars[((c1&0x03)<<4)|((c2&0xf0)>>4)];out[j++]=base64EncodeChars[((c2&0x0f)<<2)|((c3&0xc0)>>6)];out[j++]=base64EncodeChars[c3&0x3f];}
return out.join('');}
function base64decode(str){var c1,c2,c3,c4;var i,j,len,out;len=str.length;i=j=0;out=[];while(i<len){do{c1=base64DecodeChars[str.charCodeAt(i++)&0xff];}while(i<len&&c1==-1);if(c1==-1)break;do{c2=base64DecodeChars[str.charCodeAt(i++)&0xff];}while(i<len&&c2==-1);if(c2==-1)break;out[j++]=String.fromCharCode((c1<<2)|((c2&0x30)>>4));do{c3=str.charCodeAt(i++)&0xff;if(c3==61)return out.join('');c3=base64DecodeChars[c3];}while(i<len&&c3==-1);if(c3==-1)break;out[j++]=String.fromCharCode(((c2&0x0f)<<4)|((c3&0x3c)>>2));do{c4=str.charCodeAt(i++)&0xff;if(c4==61)return out.join('');c4=base64DecodeChars[c4];}while(i<len&&c4==-1);if(c4==-1)break;out[j++]=String.fromCharCode(((c3&0x03)<<6)|c4);}
return out.join('');}
