(function(){var b={};var a={};a.PADCHAR="=";a.ALPHA="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";a.makeDOMException=function(){var f,d;try{return new DOMException(DOMException.INVALID_CHARACTER_ERR)}catch(d){var c=new Error("DOM Exception 5");c.code=c.number=5;c.name=c.description="INVALID_CHARACTER_ERR";c.toString=function(){return"Error: "+c.name+": "+c.message};return c}};a.getbyte64=function(e,d){var c=a.ALPHA.indexOf(e.charAt(d));if(c===-1){throw a.makeDOMException()}return c};a.decode=function(f){f=""+f;var j=a.getbyte64;var h,e,g;var d=f.length;if(d===0){return f}if(d%4!==0){throw a.makeDOMException()}h=0;if(f.charAt(d-1)===a.PADCHAR){h=1;if(f.charAt(d-2)===a.PADCHAR){h=2}d-=4}var c=[];for(e=0;e<d;e+=4){g=(j(f,e)<<18)|(j(f,e+1)<<12)|(j(f,e+2)<<6)|j(f,e+3);c.push(String.fromCharCode(g>>16,(g>>8)&255,g&255))}switch(h){case 1:g=(j(f,e)<<18)|(j(f,e+1)<<12)|(j(f,e+2)<<6);c.push(String.fromCharCode(g>>16,(g>>8)&255));break;case 2:g=(j(f,e)<<18)|(j(f,e+1)<<12);c.push(String.fromCharCode(g>>16));break}return c.join("")};a.getbyte=function(e,d){var c=e.charCodeAt(d);if(c>255){throw a.makeDOMException()}return c};a.encode=function(f){if(arguments.length!==1){throw new SyntaxError("Not enough arguments")}var g=a.PADCHAR;var h=a.ALPHA;var k=a.getbyte;var e,j;var c=[];f=""+f;var d=f.length-f.length%3;if(f.length===0){return f}for(e=0;e<d;e+=3){j=(k(f,e)<<16)|(k(f,e+1)<<8)|k(f,e+2);c.push(h.charAt(j>>18));c.push(h.charAt((j>>12)&63));c.push(h.charAt((j>>6)&63));c.push(h.charAt(j&63))}switch(f.length-d){case 1:j=k(f,e)<<16;c.push(h.charAt(j>>18)+h.charAt((j>>12)&63)+g+g);break;case 2:j=(k(f,e)<<16)|(k(f,e+1)<<8);c.push(h.charAt(j>>18)+h.charAt((j>>12)&63)+h.charAt((j>>6)&63)+g);break}return c.join("")};b.pay=function(d){var c=encodeURIComponent(a.encode(d));location.href="alipay?goto="+c};b.decode=function(c){return a.decode(decodeURIComponent(c))};window._AP=b})();