Change location.hash *before* scrolling.

jquery.nav.js

@@ -156,13 +156,26 @@
 				//Removing the auto-adjust on scroll
 				self.unbindInterval();
 
+				//Do we need to change the hash?
+				if(self.config.changeHash) {
+					// We need to insert a temp. link element to avoid breaking
+					// the broweser history.
+					var elem = document.getElementById(id);
+					var $a = $('<a> </a>').attr('id', id).css({
+							position: 'absolute',
+							top: $(window).scrollTop(),
+							left: $(window).scrollLeft()
+						});
+
+					elem.id = '';
+					$('body').prepend($a);
+					location.hash = newLoc;
+					$a.remove();
+					elem.id = id;
+				}
+
 				//Scroll to the correct position
 				self.scrollTo(newLoc, function() {
-					//Do we need to change the hash?
-					if(self.config.changeHash) {
-						window.location.hash = newLoc;
-					}
-
 					//Add the auto-adjust on scroll back in
 					self.bindInterval();
 
@@ -220,4 +233,4 @@
 		});
 	};
 
-})( jQuery, window , document );
+})( jQuery, window , document );