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- var base64DecodeChars=new Array(64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,62,64,64,64,63,52,53,54,55,56,57,58,59,60,61,64,64,64,64,64,64,64,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,64,64,64,64,64,64,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64,64);function base64encode(e){var r,a,t,o,c,d;for(t=e.length,a=0,r="";a<t;){if(o=255&e.charCodeAt(a++),a==t){r+=base64EncodeChars.charAt(o>>2),r+=base64EncodeChars.charAt((3&o)<<4),r+="==";break}if(c=e.charCodeAt(a++),a==t){r+=base64EncodeChars.charAt(o>>2),r+=base64EncodeChars.charAt((3&o)<<4|(240&c)>>4),r+=base64EncodeChars.charAt((15&c)<<2),r+="=";break}d=e.charCodeAt(a++),r+=base64EncodeChars.charAt(o>>2),r+=base64EncodeChars.charAt((3&o)<<4|(240&c)>>4),r+=base64EncodeChars.charAt((15&c)<<2|(192&d)>>6),r+=base64EncodeChars.charAt(63&d)}return r}function base64decode(e){var r,a,t,o,c,d,n;for(d=e.length,c=0,n="";c<d;){for(;r=base64DecodeChars[255&e.charCodeAt(c++)],c<d&&-1==r;);if(-1==r)break;for(;a=base64DecodeChars[255&e.charCodeAt(c++)],c<d&&-1==a;);if(-1==a)break;n+=String.fromCharCode(r<<2|(48&a)>>4);do{if(61==(t=255&e.charCodeAt(c++)))return n;t=base64DecodeChars[t]}while(c<d&&-1==t);if(-1==t)break;n+=String.fromCharCode((15&a)<<4|(60&t)>>2);do{if(61==(o=255&e.charCodeAt(c++)))return n;o=base64DecodeChars[o]}while(c<d&&-1==o);if(-1==o)break;n+=String.fromCharCode((3&t)<<6|o)}return n}function utf16to8(e){var r,a,t,o;for(r="",t=e.length,a=0;a<t;a++)1<=(o=e.charCodeAt(a))&&o<=127?r+=e.charAt(a):(2047<o?(r+=String.fromCharCode(224|o>>12&15),r+=String.fromCharCode(128|o>>6&63)):r+=String.fromCharCode(192|o>>6&31),r+=String.fromCharCode(128|o>>0&63));return r}function utf8to16(e){var r,a,t,o,c,d;for(r="",t=e.length,a=0;a<t;)switch((o=e.charCodeAt(a++))>>4){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:r+=e.charAt(a-1);break;case 12:case 13:c=e.charCodeAt(a++),r+=String.fromCharCode((31&o)<<6|63&c);break;case 14:c=e.charCodeAt(a++),d=e.charCodeAt(a++),r+=String.fromCharCode((15&o)<<12|(63&c)<<6|(63&d)<<0)}return r}function CharToHex(e){var r,a,t,o;for(r="",t=e.length,a=0;a<t;)(o=e.charCodeAt(a++).toString(16)).length<2&&(o="0"+o),r+="\\x"+o+" ",0<a&&a%8==0&&(r+="\r\n");return r}function doEncode(){var e=document.getElementById("src").value;document.getElementById("dest").value=base64encode(utf16to8(e))}function doDecode(){var e=document.getElementById("src").value;document.getElementById("opt").checked?document.getElementById("dest").value=CharToHex(base64decode(e)):document.getElementById("dest").value=utf8to16(base64decode(e))}
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