text: Ext.onReady(function(){
  	Ext.QuickTips.init();
  	
  	
  	
  	building_form = new Ext.FormPanel({
  		labelWidth: 80, // label settings here cascade unless overridden
          frame:true,
          //title: '課程查詢',
          bodyStyle:'padding:5px 5px 0',
  		cls : 'cellpadding: 10px',
          width: '100%',
          defaults: {width: 230},
          defaultType: 'textfield',
  		
  		
  		items: [building_combo,
  				classRoom_combo,
  				clear_building_form_element_button]
  	});
  	building_form.render(Ext.get("form_3"));
  	
  	
  });