/* Cross-Browser Split 1.0.1
(c) Steven Levithan <stevenlevithan.com>; MIT License
An ECMA-compliant, uniform cross-browser split method */
var cbSplit;
// avoid running twice, which would break `cbSplit._nativeSplit`'s reference to
// the native `split`
if (!cbSplit)
{
	cbSplit = function(str, separator, limit)
	{
		// if `separator` is not a regex, use the native `split`
		if (Object.prototype.toString.call(separator) !== "[object RegExp]")
			return cbSplit._nativeSplit.call(str, separator, limit);
		var output = [], lastLastIndex = 0, flags = (separator.ignoreCase ? "i" : "") + (separator.multiline ? "m" : "") + (separator.sticky ? "y" : ""), separator = RegExp(separator.source, flags + "g"), // make
		// `global`
		// and
		// avoid
		// `lastIndex`
		// issues
		// by
		// working
		// with
		// a
		// copy
		separator2, match, lastIndex, lastLength;
		str = str + ""; // type conversion
		if (!cbSplit._compliantExecNpcg)
		{
			separator2 = RegExp("^" + separator.source + "$(?!\\s)", flags); // doesn't
			// need
			// /g
			// or
			// /y,
			// but
			// they
			// don't
			// hurt
		}
		/*
		 * behavior for `limit`: if it's... - `undefined`: no limit. - `NaN` or
		 * zero: return an empty array. - a positive number: use
		 * `Math.floor(limit)`. - a negative number: no limit. - other:
		 * type-convert, then use the above rules.
		 */
		if (limit === undefined || +limit < 0)
			limit = Infinity;
		else
		{
			limit = Math.floor(+limit);
			if (!limit)
				return [];
		}
		while (match = separator.exec(str))
		{
			lastIndex = match.index + match[0].length; // `separator.lastIndex`
			// is not reliable
			// cross-browser
			if (lastIndex > lastLastIndex)
			{
				output.push(str.slice(lastLastIndex, match.index));
				// fix browsers whose `exec` methods don't consistently return
				// `undefined` for nonparticipating capturing groups
				if (!cbSplit._compliantExecNpcg && match.length > 1)
				{
					match[0].replace(separator2, function()
					{
						for ( var i = 1; i < arguments.length - 2; i++)
						{
							if (arguments[i] === undefined)
								match[i] = undefined;
						}
					});
				}
				if (match.length > 1 && match.index < str.length)
					Array.prototype.push.apply(output, match.slice(1));
				lastLength = match[0].length;
				lastLastIndex = lastIndex;
				if (output.length >= limit)
					break;
			}
			if (separator.lastIndex === match.index)
				separator.lastIndex++; // avoid an infinite loop
		}
		if (lastLastIndex === str.length)
		{
			if (lastLength || !separator.test(""))
				output.push("");
		}
		else
			output.push(str.slice(lastLastIndex));
		return output.length > limit ? output.slice(0, limit) : output;
	};
	cbSplit._compliantExecNpcg = /()??/.exec("")[1] === undefined; // NPCG:
	// nonparticipating
	// capturing
	// group
	cbSplit._nativeSplit = String.prototype.split;
} // end `if (!cbSplit)`
// for convenience...
String.prototype.split = function(separator, limit)
{
	return cbSplit(this, separator, limit);
};