Element.implement({inputHint:function(a){switch(this.get("tag")){case"form":this.getElements('input[type="text"],textarea').inputHint(a);return this;case"input":case"textarea":this.store("default",(a||this.get("value")));this.addEvents({focus:function(){if(this.get("value")==this.retrieve("default")){this.set("value","");}},blur:function(){if(this.get("value").clean()==""){this.set("value",this.retrieve("default"));}}}).fireEvent("blur");default:return this;}}});