// JQuery API: $.deparam()
// https://github.com/chrissrogers/jquery-deparam/blob/master/jquery-deparam.js
(function ($) {
  $.deparam = function (params, coerce) {
	var obj = {},
		coerce_types = { 'true': !0, 'false': !1, 'null': null };
	$.each(params.replace(/\+/g, ' ').split('&'), function (j,v) {
	  var param = v.split('='),
		  key = decodeURIComponent(param[0]),
		  val,
		  cur = obj,
		  i = 0,
		  keys = key.split(']['),
		  keys_last = keys.length - 1;
		
	  if (/\[/.test(keys[0]) && /\]$/.test(keys[keys_last])) {
		keys[keys_last] = keys[keys_last].replace(/\]$/, '');
		keys = keys.shift().split('[').concat(keys);
		keys_last = keys.length - 1;
	  } else {
		keys_last = 0;
	  }
	  if (param.length === 2) {
		val = decodeURIComponent(param[1]);
		if (coerce) {
		  val = val && !isNaN(val)              ? +val              // number
			  : val === 'undefined'             ? undefined         // undefined
			  : coerce_types[val] !== undefined ? coerce_types[val] // true, false, null
			  : val;                                                // string
		}
		if ( keys_last ) {
		  for (; i <= keys_last; i++) {
			key = keys[i] === '' ? cur.length : keys[i];
			cur = cur[key] = i < keys_last
			  ? cur[key] || (keys[i+1] && isNaN(keys[i+1]) ? {} : [])
			  : val;
		  }
		} else {
		  if ($.isArray(obj[key])) {
			obj[key].push( val );
		  } else if (obj[key] !== undefined) {
			obj[key] = [obj[key], val];
		  } else {
			obj[key] = val;
		  }
		}
	  } else if (key) {
		// No value was defined, so set something meaningful.
		obj[key] = coerce
		  ? undefined
		  : '';
	  }
	});
	return obj;
  };
})(jQuery);