(function($) {
	$.fn.anchorTextUrls = function() {
		// test a text node's contents for URLs and split and rebuild it with an achor
		var testAndTag = function(el) {
			// test for URLs along whitespace and punctuation boundaries (don't look too hard or you will be consumed)
			var m = el.nodeValue.match(/(https?:\/\/.*?)[.!?;,]?(\s+|"|$)/);

			// if we've found a valid URL, m[1] contains the URL
			if (m) {
				// clone the text node to hold the "tail end" of the split node
				var tail = $(el).clone()[0];

				// substring the nodeValue attribute of the text nodes based on the match boundaries
				el.nodeValue = el.nodeValue.substring(0, el.nodeValue.indexOf(m[1]));
				tail.nodeValue = tail.nodeValue.substring(tail.nodeValue.indexOf(m[1]) + m[1].length);

				// rebuild the DOM inserting the new anchor element between the split text nodes
				$(el).after(tail).after($("<a></a>").attr("href", m[1]).html(m[1]));

				// recurse on the new tail node to check for more URLs
				testAndTag(tail);
			}

			// Behave like a function
			return false;
		}

		// For each element selected by jQuery
		this.each(function() {
			// select all descendant nodes of the element and pick out only text nodes
			var textNodes = $(this).add("*", this).contents().filter(function() {
				return this.nodeType == 3
			});

			// take action on each text node
			$.each(textNodes, function(i, el) {
				testAndTag(el);
			});
		});
	}
}(jQuery));
// http://stackoverflow.com/questions/5158022/jquery-wrap-a-tags-around-http-text