//Create an indicator to be used to determine whether there are blocked series in workbook
	var someSerieIsPinnedFlag;
	//Variable used to store array of selected series
	var selSeries;
	//Button, clicking which blocks or unblocks the selected series
	var pinSerieButton = new PP.Ui.Button({
		ParentNode: document.body, //DOM parent node
		Content: "Block Series", //Text
		Click: PP.Delegate(onClickPinSerie)					
		});
				 
	//Block Series button click event
	function onClickPinSerie()
	{
		//Create an object containing a series for blocking or unblocking
		var series = {};
		series.its = {};
		series.its.it = [];
					
		//Create an object containing a series for blocking
		var pinnedSerie = {
			id: "",
			k: PP.Mb.UINT32MAXVALUE
			};	
										
		if (selSeries && selSeries.length > 0)
		{	
			var selSerie = undefined;
			//Depending on whether there are blocked series in workbook, create an object passed to the 
			//pinSeries method as a parameter
			if (!someSerieIsPinnedFlag)
			{							
				selSerie = selSeries[0];
				pinnedSerie.id = selSerie.id;
				pinnedSerie.k = selSerie.k;
			}
			else
			{
				for (var i = 0; i < selSeries.length; i++)
				{
					series.its.it.push({
						k: selSeries[i].k,
						id: selSeries[i].id,
						kind: selSeries[i].kind
				});
			}
		}
		}									
			series.pinned = pinnedSerie;
			//Set blocking in workbook
			wbk.getActiveSheet().setPinned(pinnedSerie.k != PP.Mb.UINT32MAXVALUE ? pinnedSerie : undefined);
			//Block the selected series
			tsService.pinSeries(wbk.getActiveSheet(), series, PP.Delegate(onResponse))					
		}
				
		//pinSeries method execution end event handler
		function onResponse()
		{
			//Refresh entore component for displaying workbook
			workbookBox.refreshAll();
		}
				
		//Repository interaction end handler. Used to set availability of the 
		//"Block Series" button depending on whether it is available to block the selected series and set whether  
		//there are blocked series in workbook
		metabase.EndRequest.add(PP.Delegate(function(){				
			selSeries = wbk.getActiveSheet().getSelectedSeries();
			if (selSeries.length == 1 && selSeries[0].calc && selSeries[0].calc.formula)
			{
				pinSerieButton.setEnabled(True);
			}
			else
			{
				pinSerieButton.setEnabled(False);
			}					
		someSerieIsPinnedFlag = (wbk.getActiveSheet().getPinned() ? true : false);
	}));