enable / disable the shadow
if(disabled){ if(this.disabled){ return; } if(this.animate){ this.nodeList.fadeOut().play(); }else{ this.nodeList.style("visibility","hidden"); } this.disabled = true; }else{ if(!this.disabled){ return; } if(this.animate){ this.nodeList.fadeIn().play(); }else{ this.nodeList.style("visibility","visible"); } this.disabled = false; }