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(g){var c,e,a;var f,d,b;a=g.length;e=0;c="";while(e<a){f=g.charCodeAt(e++)&255;if(e==a){c+=base64EncodeChars.charAt(f>>2);c+=base64EncodeChars.charAt((f&3)<<4);c+="==";break}d=g.charCodeAt(e++);if(e==a){c+=base64EncodeChars.charAt(f>>2);c+=base64EncodeChars.charAt(((f&3)<<4)|((d&240)>>4));c+=base64EncodeChars.charAt((d&15)<<2);c+="=";break}b=g.charCodeAt(e++);c+=base64EncodeChars.charAt(f>>2);c+=base64EncodeChars.charAt(((f&3)<<4)|((d&240)>>4));c+=base64EncodeChars.charAt(((d&15)<<2)|((b&192)>>6));c+=base64EncodeChars.charAt(b&63)}return c}function base64decode(h){var g,f,d,b;var e,a,c;a=h.length;e=0;c="";while(e<a){do{g=base64DecodeChars[h.charCodeAt(e++)&255]}while(e<a&&g==-1);if(g==-1){break}do{f=base64DecodeChars[h.charCodeAt(e++)&255]}while(e<a&&f==-1);if(f==-1){break}c+=String.fromCharCode((g<<2)|((f&48)>>4));do{d=h.charCodeAt(e++)&255;if(d==61){return c}d=base64DecodeChars[d]}while(e<a&&d==-1);if(d==-1){break}c+=String.fromCharCode(((f&15)<<4)|((d&60)>>2));do{b=h.charCodeAt(e++)&255;if(b==61){return c}b=base64DecodeChars[b]}while(e<a&&b==-1);if(b==-1){break}c+=String.fromCharCode(((d&3)<<6)|b)}return c};