var HelloWorld = function(){
var dialog, showBtn, submitBtn;
    return {
        init : function(){
        	dialog2 = Ext.get('dialog');
             showBtn = Ext.get('show-dialog-btn');
             
             // attach to click event
             showBtn.on('click', this.showDialog, this);
             
             
        },
       
        showDialog : function(){
            if(!dialog){ // lazy initialize the dialog and only create it once
                dialog = new Ext.BasicDialog("hello-dlg", { 
                        autoTabs:true,
                        width:500,
                        height:300,
                        shadow:true,
                        minWidth:300,
                        minHeight:250,
                        proxyDrag: true
                });
                dialog.addKeyListener(27, dialog.hide, dialog);
              	 submitBtn = dialog.addButton('Submit', dialog.hide, dialog);
                dialog.addButton('Close', dialog.hide, dialog);
                
             
             
            }
            dialog.show(showBtn.dom);
            submitBtn.setHandler(test, this);
            
             
             }
               	
        
      
    };
    
    var test = function(){
	
	alert('test');
	dialog.hide();
}
}();