add:   this.inputNode.disabled = this.inputNotAllowed; 
context: 		fillInTemplate: function(args, frag){			// summary: see dojo.widget.DomWidget			dojo.widget.DropdownDatePicker.superclass.fillInTemplate.call(this, args, frag);			//attributes to be passed on to DatePicker						var dpArgs = {widgetContainerId: this.widgetId, lang: this.lang, value: this.value,				startDate: this.startDate, endDate: this.endDate, displayWeeks: this.displayWeeks,				weekStartsOn: this.weekStartsOn, adjustWeeks: this.adjustWeeks, staticDisplay: this.staticDisplay, 				templateCssPath:  this.templateCssPath, templatePath: this.templatePath				};									//build the args for DatePicker based on the public attributes of DropdownDatePicker			this.datePicker = dojo.widget.createWidget("DatePicker", dpArgs, this.containerNode, "child");			dojo.event.connect(this.datePicker, "onValueChanged", this, "onSetDate");						if(this.value){				this.onSetDate();			}			this.containerNode.style.zIndex = this.zIndex;			this.containerNode.explodeClassName = "calendarBodyContainer";			this.valueNode.name=this.name;		},
meta: 5569	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5569/0d1787111a4aeba7a7d0fdc18c4012cb74bc7cc5/DropdownDatePicker.js/clean/wicket-contrib-dojo/src/main/java/wicket/contrib/dojo/dojo-0.4/src/widget/DropdownDatePicker.js