//Add a handler for repository connection end event, which 
	//sets availability of the Delete Selected Series button
	metabase.EndRequest.add(PP.Delegate(function(){									
					
	function isButtonEnabled(series)
	{
		for (var i = 0; i < series.length; i++)
		{
			if (series[i].kind == PP.TS.Ui.LnSerieKind.Derived)
			{
				var parentK = series[i].parent.k;
				var parentFound = false;
				for (var j = 0; j < series.length; j++)
				{
					if (series[j].k == parentK)
					{
						parentFound = true;
						break;
					}
				}
				if (!parentFound)
					return false;
			}
		}
		return series.length > 0;
	};					
					
	var series = wbk.getActiveSheet().getSelectedSeries();					
	if(isButtonEnabled(series))
	{
		removeSerieButt.setEnabled(true);
	}
	else
	{
		removeSerieButt.setEnabled(false);
	}
	}));		
				
	var removeSerieButt = new PP.Ui.Button({
		ParentNode: document.body, //Parent DOM node
		Content: 'Delete selected series', //Signature
		Click: PP.Delegate(onClickRemoveSerie)
	});
	function onClickRemoveSerie()
	{	
		//Get selected workbook series
		var series = wbk.getActiveSheet().getSelectedSeries();
		//Create a body of server request to delete selected series
		var body =
				{
					SetWbkMd:
					{
						tWbk: wbk.getOdId(),
						tArg:
						{
							meta:
							{
							 series:
							 {
							  its:
							  {
							   it: series
							  }
							 }
							},
							pattern:
							{
								series: "Remove"
							},
							metaGet: tsService._getGeneralSeriesPattern()
						}
					}
				};
	//One should get tabsheet structure to set correct width and height of the remaining series
	body.SetWbkMd.tArg.metaGet.getTabSheet = {
		pattern: {
				DHTML: true,
				structure: true
				}
	};
	//Get data that was changed
	var tcd = wbk.getTableChangedData();
	if (tcd)
	{
		var newtcd = { c: [] };
		for (var i = 0; i < series.length; i++)
		{
			var index = wbk.getRealIndex(undefined, series[i]);
			for (var j = 0; j < tcd.c.length; j++)
			{
				if (tcd.c[j]["@row"] != index)
				{
					if (tcd.c[j]["@row"] > index)
					{
						tcd.c[j]["@row"]--;
					}
					newtcd.c.push(tcd.c[j]);
				}
			}
		}
		//set changed data of express report title.
		wbk.setTableChangedData(newtcd);
	}
	//Set number of workbook series
	wbk.setSeriesCount(wbk.getSeriesCount() - series.length);
	//Refresh list of series
	wbk.updateSeriesList(series, true);
	//Check if the number of workbook series is not equal to 0
	if (wbk.getSeriesCount() == 0)
	{
		wbk.setSelectedSeries([]);
	}
	//Add information about parent series into body of server query
	if (series[0].parent)
	{
		var parentSerie = wbk.getSerie(series[0].parent.k);
		body.SetWbkMd.tArg.metaGet.seriesFilter = {
		range: {
			start: wbk.getRealIndex(undefined, parentSerie),
			count: wbk.getLoadedChildrenCount(parentSerie) + 1
			}
		};
	}
	else
	{
		body.SetWbkMd.tArg.metaGet.seriesFilter = {
		range: {
			start: -1,
			count: 0
			}
		};
	}
	//Set whether workbook is changed
	wbk.setIsChanged(true);
	//Set whether update is required
	wbk.setNeedUpdateSelection(true);
	//Set data source for sheet on the Correlation Matrix tab on statistics panel
	wbk.setStatCorrTabSheetSource(undefined);
	//Set data source for sheet on the Equation tab on statistics panel
	wbk.setStatCoeffTabSheetSource(undefined);
	//Set data source for sheet on the Weight Matrix on statistics panel
	wbk.setStatWeightsTabSheetSource(undefined);				
	tsService._addViewSettings(wbk, body.SetWbkMd);
	//Send query to server
	tsService._invokeRemoteProc(wbk, body, PP.Delegate(onResponse));
	}				
	function onResponse(sender, args)
	{
		//Refresh the workbookBox component
		workbookBox.refreshAll();
	}