text: Ext.setup({
  	onReady: function() {
  		        
  	var panel = new Ext.Panel({
  	    fullscreen: true,
  	    layout: {
  	        type: 'vbox',
  	        align: 'center',
  	        pack: 'center'
  	    },
  	    items: [{
  	        xtype: 'button',
  	        ui: 'normal',
  	        text: 'Get data!',
  	        handler: function() {
               Ext.Ajax.request({
                   url: 'remote.php',
                   success: function(response, opts) {
  						 				alert("Request was done!");
                   }
               });
  	        }
  	    }]
  	});
  	}
  });
  
  