foucs on quick login username after activation

rhodecode/templates/base/base.html

@@ -45,6 +45,7
 				else{
 	                YUD.setStyle('quick_login','display','');
 	                YUD.addClass('quick_login_link','enabled');
+	                YUD.get('username').focus();
 				}
 			    //make sure we don't redirect
 				YUE.preventDefault(e);