Ext.onReady(function(){
	var seating_chart = new Ext.Window({
		title: 'Seating Chart',
		contentEl: 'seating_chart',
		height: 515,
		width: 615,
		resizable: false,
		modal: true,
		closeAction: 'hide'
	});
	
	Ext.get("seating_chart_button").on("click", function() {
		seating_chart.show("seating_chart_button");
		return false;
	});
});