_UI.messageBox({
		label: "Naozaj chcete pokračovať?",
		buttons: [
			{
				callId: "opt1", 
				label: "Option1", 
				key: "1", 
				symbolId: "cancel_symbol", 
				hint: "Ak toto stlačíte, potom ..."
			},
			{
				callId: "opt2", 
				label: "Option2", 
				key: ["2", Key.ENTER],
				callback: [this, "callbackFnc"]
			}
		],
		bottomLine: true
	});