A bookmarklet that takes an HTML selection and converts it to Markdown

GiveMeMarkdown.js

// GiveMeMarkdown is a bookmarklet that takes an HTML selection and converts it to Markdown
// javascript:(function(){var p=document.createElement("p");p.innerHTML="<strong>Loading&hellip;</strong>";p.id="loadingp";p.style.padding="20px";p.style.background="#fff";p.style.left="20px";p.style.top=0;p.style.position="fixed";p.style.zIndex="9999999";p.style.opacity=".85";document.body.appendChild(p);document.body.appendChild(document.createElement("script")).src="http://inflexion.ch/getselection.js?x="+(Math.random());})();
(function () {
	function callback() {
		(function ($) {
			var raw, userSelection;
			if (window.getSelection) {
				// W3C Ranges
				userSelection = window.getSelection ();
				// Get the range:
				if (userSelection.getRangeAt)
					var range = userSelection.getRangeAt (0);
				else {
					var range = document.createRange ();
					range.setStart (userSelection.anchorNode, userSelection.anchorOffset);
					range.setEnd (userSelection.focusNode, userSelection.focusOffset);
				}
				// And the HTML:
				var clonedSelection = range.cloneContents ();
				var div = document.createElement ('div');
				div.appendChild (clonedSelection);
				raw = div.innerHTML;
			} else if (document.selection) {
				// Explorer selection, return the HTML
				userSelection = document.selection.createRange ();
				raw = userSelection.htmlText;
			} else {
				raw = "";
			}
			raw = raw.replace(/(src|href)=\"(.*?)\"/g, function(match, p1, p2, offset, string) {
				if (!/^http/.test(p2)) {
					if (/^\//.test(p2))
						var baselink = window.location.protocol + "//" + window.location.hostname;
					else
						var baselink = window.location.href.split("/").slice(0,-1).join("/") + "/";
					return [p1,"=\"",baselink+p2,"\""].join('');
				}
				return match;
			})
			var showFrame = "0";
			if (window.markerShowFrame !== undefined) {
				switch (window.markerShowFrame) {
				case 0:
				case false: showFrame = "0"; break;
				default: showFrame = "1";
				}
			}
			var $form = $("<form>").attr("method", "post").attr("action", "http://heckyesmarkdown.com/go/")
			.append($("<input name=html>").val(encodeURIComponent(raw)))
			.append($("<input name=read>").val("0"))
			.append($("<input name=output>").val("md"))
			.append($("<input name=showframe>").val(showFrame))
			.appendTo('body');
			$form.submit();
			})(jQuery.noConflict(true))
	}
	var s = document.createElement("script");
	s.src = "https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js";
	if (s.addEventListener) {
		s.addEventListener("load", callback, false)
	} else if (s.readyState) {
		s.onreadystatechange = callback
	}
	document.body.appendChild(s);
})();