$.expr[':'].regex = function(elem, index, match) {
   var matchParams = match[3].split(','),
	   validLabels = /^(data|css):/,
	   attr = {
		   method: matchParams[0].match(validLabels) ?
					   matchParams[0].split(':')[0] : 'attr',
		   property: matchParams.shift().replace(validLabels,'')
	   },
	   regexFlags = 'ig',
	   regex = new RegExp(matchParams.join('').replace(/^\s+|\s+$/g,''), regexFlags);
   return regex.test($(elem)[attr.method](attr.property));
}
$.fn.reverse = function() {
	return this.pushStack(this.get().reverse(), arguments);
};
if (!Array.prototype.indexOf) {
	Array.prototype.indexOf = function(elt /*, from*/) {
		var len = this.length >>> 0;

		var from = Number(arguments[1]) || 0;
		from = (from < 0) ? Math.ceil(from) : Math.floor(from);
		if (from < 0) from += len;

		for (; from < len; from++) {
			if (from in this && this[from] === elt) return from;
			return -1;
		};
	}
}