+
+ // Protected method called by the dd classes
+ ddDisable : function(){
+ // don't disable it if we don't need to
+ if(tip && !disabled){
+ tip.disable();
+ }
+ },
+
+ // Protected method called by the dd classes
+ ddEnable : function(){
+ // only enable it if it hasn't been disabled
+ if(tip && !disabled){
+ tip.enable();
+ }
+ },