New feature: You can now inject portions of a document via .load(), a…

…s opposed to the full thing.

Examples:
- $("#test").load("test.html #something");
- $("#test").load("test.html p.user");

Caveats:
- No scripts are injected when a selector is used.
- The selector is rooted inside the head and body - it's equivalent to doing:
  $("body,head").find(selector)

src/ajax/ajax.js

@@ -48,6 +48,10 @@ jQuery.fn.extend({
 		if ( jQuery.isFunction( url ) )
 			return this.bind("load", url);
 
+		var off = url.indexOf(" ");
+		var selector = url.slice(off, url.length);
+		url = url.slice(0, off);
+
 		callback = callback || function(){};
 
 		// Default to a GET request
@@ -78,7 +82,19 @@ jQuery.fn.extend({
 			complete: function(res, status){
 				// If successful, inject the HTML into all the matched elements
 				if ( status == "success" || !ifModified && status == "notmodified" )
-					self.html(res.responseText);
+					// See if a selector was specified
+					self.html( selector ?
+						// Create a dummy div to hold the results
+						jQuery("<div/>")
+							// inject the contents of the document in, removing the scripts
+							// to avoid any 'Permission Denied' errors in IE
+							.append(res.responseText.replace(/<script(.|\s)*?\/script>/g, ""))
+
+							// Locate the specified elements
+							.find(selector) :
+
+						// If not, just inject the full result
+						res.responseText );
 
 				// Add delay to account for Safari's delay in globalEval
 				setTimeout(function(){