function decodeURIComponent(str) { function throwerror() { @if (@_jscript_version < 5) return null; @else var e = new Error(-2146823263, "The URI to be decoded is not a valid encoding"); e.name = "URIError"; e.message = e.description; throw(e); @end } function checkcode() { var d1, d2; d1 = str.charAt(i++); d2 = str.charAt(i++); if (isNaN(parseInt(d1, 16)) || isNaN(parseInt(d2, 16))) { return throwerror(); } return parseInt(d1 + d2, 16); } function checkutf8() { var c = str.charCodeAt(i++); if (c == 37) { if ((c = checkcode()) == null) return null; } if ((c >> 6) != 2) { return throwerror(); } } var out, i, len; var c, c2, c3;
out = ""; len = str.length; i = 0; while(i < len) { c = str.charCodeAt(i++); if (c == 37) { if ((c = checkcode()) == null) return null; } else { out += String.fromCharCode(c); continue; } switch(c >> 4) { case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: { // 0xxxxxxx out += String.fromCharCode(c); break; } case 12: case 13: { // 110x xxxx 10xx xxxx if ((c2 = checkutf8()) == null) return null; out += String.fromCharCode(((c & 0x1F) << 6) | (c2 & 0x3F)); break; } case 14: { // 1110 xxxx 10xx xxxx 10xx xxxx if ((c2 = checkutf8()) == null) return null; if ((c3 = checkutf8()) == null) return null; out += String.fromCharCode(((c & 0x0F) << 12) | ((char2 & 0x3F) << 6) | ((char3 & 0x3F) << 0)); break; } default: { return throwerror(); } } } return out; }
Array.prototype.push = function () { var curlen = this.length; for (var i = 0; i < arguments.length; i++) { this[curlen + i] = arguments[i]; } return this.length; }
Array.prototype.pop = function () { var returnValue = this[this.length - 1]; this.length--; return returnValue; }
Array.prototype.shift = function () { var returnValue = this[0]; for (var i = 1; i < this.length; i++) { this[i - 1] = this[i]; } this.length--; return returnValue; }
Array.prototype.unshift = function () { var curlen = this.length; var arglen = arguments.length; for (var i = curlen - 1; i >= 0 ; i--) { this[i + arglen] = this[i] ; } for (var i = 0; i < arglen; i++) { this[i] = arguments[i]; } file://return this.length; // return this value is Gecko/Opera implementation. but IE don't return anything. }
Array.prototype.splice = function () { var start = arguments[0]; var deleteCount = arguments[1]; var len = arguments.length - 2; var returnValue = this.slice(start); for (var i = 0; i < len; i++) { this[start + i] = arguments[i + 2]; }
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