(function($) {
	var url1 = /(^|<|\s)(www\..+?\..+?)(\s|>|$)/g, url2 = /(^|<|\s)(((https?|ftp):\/\/|mailto:).+?)(\s|>|$)/g;
	
	linkifyThis = function () {
		var childNodes = this.childNodes, i = childNodes.length;
		
		while(i--){
			var n = childNodes[i];
			if (n.nodeType == 3) {
				var html = $.trim(n.nodeValue);
				if (html){
					html = html.replace(/&/g, '&')
						.replace(/</g, '&lt;')
						.replace(/>/g, '&gt;')
						.replace(url1, '$1<a target="_blank" href="http://$2">$2</a>$3')
						.replace(url2, '$1<a target="_blank" href="$2">$2</a>$5');
					$(n).after(html).remove();
				}
			}
			else if (n.nodeType == 1  &&  !/^(a|button|textarea)$/i.test(n.tagName)) {
				linkifyThis.call(n);
			}
		}
	};
	
	$.fn.linkify = function () {
		return this.each(linkifyThis);
	};
})(jQuery);