Fix for #997

ChangeLog.txt

@@ -4,6 +4,8 @@
 
 === 1.1.2 ===
 
+* Fixed jQuery.isFunction to return false on nodes.
+* Fixed jQuery.className.has, escaping regex characters in className (for metadata)
 * Fixed an issue in IE where an event on a cloned element is fired during a .clone() inside of an event handler.
 * Fixed IE ID selectors selecting by the name attribute.
 * Change: Events are now internally stored in elem.$events rather than elem.events (due to a nasty bug relating to DOM 0 expandos).
@@ -13,7 +15,6 @@
 * Having a \r endline in $("...") caused a never-ending loop.
 * Fixed IE6 AJAX memory leak
 * Fixed bug in pushStack, reporting an element at [0] in a jQuery object with length 0
-* Fixed jQuery.className.has, escaping regex characters in className (for metadata)
 
 === 1.1.1 ===
 

src/jquery/jquery.js

@@ -1227,7 +1227,7 @@ jQuery.extend({
 	// This may seem like some crazy code, but trust me when I say that this
 	// is the only cross-browser way to do this. --John
 	isFunction: function( fn ) {
-		return !!fn && typeof fn != "string" &&
+		return !!fn && typeof fn != "string" && !fn.nodeName && 
 			typeof fn[0] == "undefined" && /function/i.test( fn + "" );
 	},