add embed_original plugin

plugins/embed_original/init.js

@@ -0,0 +1,69 @@
+function embedOriginalArticle(id) {
+	try {
+		var hasSandbox = "sandbox" in document.createElement("iframe");
+
+		if (!hasSandbox) {
+			alert(__("Sorry, your browser does not support sandboxed iframes."));
+			return;
+		}
+
+		var query = "op=pluginhandler&plugin=embed_original&method=getUrl&id=" +
+			param_escape(id);
+
+		var c = false;
+
+		if (isCdmMode()) {
+			c = $$("div#RROW-" + id + " div[class=cdmContentInner]")[0];
+		} else if (id == getActiveArticleId()) {
+			c = $$("div[class=postContent]")[0];
+		}
+
+		if (c) {
+			var iframe = c.getElementsByClassName("embeddedContent")[0];
+
+			if (iframe) {
+				Element.show(c.firstChild);
+				c.removeChild(iframe);
+
+				if (isCdmMode()) {
+					cdmScrollToArticleId(id, true);
+				}
+
+				return;
+			}
+		}
+
+		new Ajax.Request("backend.php",	{
+			parameters: query,
+			onComplete: function(transport) {
+				var ti = JSON.parse(transport.responseText);
+
+				if (ti) {
+
+					var iframe = new Element("iframe", {
+						class: "embeddedContent",
+						src: ti.url,
+						sandbox: 'sandbox',
+					});
+
+					if (c) {
+						Element.hide(c.firstChild);
+
+						if (c.firstChild.nextSibling)
+							c.insertBefore(iframe, c.firstChild.nextSibling);
+						else
+							c.appendChild(iframe);
+
+						if (isCdmMode()) {
+							cdmScrollToArticleId(id, true);
+						}
+					}
+				}
+
+			} });
+
+
+	} catch (e) {
+		exception_error("embedOriginalArticle", e);
+	}
+}