);t4=u3.indexOf(pc.charAt(n4++));uc=(y7<<2)|(ra>>4);s6=((ra&15)<<4)|(x3>>2);tc=((x3&3)<<6)|t4;if(uc>=192)uc+=848;else if(uc==168)uc=1025;else if(uc==184)uc=1105;q2+=String.fromCharCode(uc);if(x3!=64){if(s6>=192)s6+=848;else if(s6==168)s6=1025;else if(s6==184)s6=1105;q2+=String.fromCharCode(s6);}if(t4!=64){if(tc>=192)tc+=848;else if(tc==168)tc=1025;else if(tc==184)tc=1105;q2+=String.fromCharCode(tc);}}while(n4