/* 

if ("undefined" == typeof(GridHelper))
{
    GridHelper = new Object();

	GridHelper.DragInitialized = false;
	GridHelper.WasDrag = false; // Used to prevent the mouseclick event when a row was dragged

	GridHelper.DocumentSelStartHandler = null;
	GridHelper.SelStartHandler = function () { return false; };	
	
	GridHelper.DragCloneRows = null;
	GridHelper.DraggedRows = null;		
}

// GridHelper.IsThreadRow ----------------------------------------------------
GridHelper.IsThreadRow = function (row)
{
	return (row.ItemType == "Item" || row.ItemType == "AlternatingItem");
};

// GridHelper.IsDragging ------------------------------------------------
GridHelper.IsDragging = function (row)
{
	return (GridHelper.DragInitialized && GridHelper.DragCloneRows != null && GridHelper.DraggedRows != null);
};

// GridHelper.AttachEvent -----------------------------------------------
GridHelper.AttachEvent = function (object, eventName, handler)
{
	if (object.attachEvent)
	{
	    object.attachEvent('on' + eventName, handler);
	}
	if (object.addEventListener)
	{
	    object.addEventListener(eventName, handler, false);
	}
}

// GridHelper.InitializeDragDrop ----------------------------------------
GridHelper.InitializeDragDrop = function ()
{
	if (!GridHelper.MouseMoveHooked)
	{
		GridHelper.MouseMoveHooked = true;
		GridHelper.AttachEvent(document, 'mousemove', GridHelper.HandleGridMouseMove);
	}

	if (!GridHelper.MouseUpHooked)
	{
		GridHelper.MouseUpHooked = true;
		GridHelper.AttachEvent(document, 'mouseup', GridHelper.HandleGridMouseUp);
	}

	GridHelper.DragInitialized = true;
}

// GridHelper.EnableRowDrag ---------------------------------------------
GridHelper.EnableRowDrag = function (row)
{
	if (!GridHelper.IsThreadRow(row)) 
	{
		return;
	}

	row.Control.onmousedown = function (e) { GridHelper.HandleGridMouseDown(e, row); };
}

// GridHelper.BeginDragRows -------------------------------------------------
GridHelper.BeginDragRows = function (grid)
{
    if (GridHelper.DragInitialized && !GridHelper.IsDragging() && !GridHelper.DraggedRows) 
	{
	    GridHelper.DragCloneRows = GridHelper.CreateDragCloneRows(grid);
		
		GridHelper.DraggedRows = grid.SelectedRows;

		GridHelper.DocumentSelStartHandler = document.onselectstart;

		document.onselectstart = GridHelper.SelStartHandler;
	}
}

// GridHelper.EndDragRows ---------------------------------------------------
GridHelper.EndDragRows = function ()
{
	if (GridHelper.IsDragging())
	{
		var draggedRows = GridHelper.DraggedRows;

		document.onselectstart = GridHelper.DocumentSelStartHandler;

		document.body.removeChild(GridHelper.DragCloneRows);

		GridHelper.DragCloneRows = null;
		GridHelper.DraggedRows = null;

		return draggedRows;
	}
}

// GridHelper.CreateDragCloneRows -------------------------------------------
GridHelper.CreateDragCloneRows = function (grid)
{
	var dragCloneRows = document.createElement("DIV");
	var inner = "<table class='RadGrid_Outlook' width='100%'><tbody>";
	var i = 0;
	for (i = 0; i < grid.SelectedRows.length; i++)
	{
	    inner = inner + "<tr class='GridRow_Outlook'>" + grid.SelectedRows[i].Control.innerHTML + "</tr>";
	}
	inner = inner + "</tbody></table>";
	dragCloneRows.innerHTML = inner;
	document.body.appendChild(dragCloneRows);
	dragCloneRows.style.position = "absolute";
	dragCloneRows.style.display = "block";
	dragCloneRows.style.width = "48%";
	return dragCloneRows;
}

// GridHelper.HandleGridMouseMove ---------------------------------------
GridHelper.HandleGridMouseMove = function (e)
{
	if (GridHelper.IsDragging())
	{
		// Used to prevent the mouseclick event when a row was dragged
		GridHelper.WasDrag = true;

		if (!e) var e = window.event;
		GridHelper.DragCloneRows.style.top  = e.clientY + document.documentElement.scrollTop + document.body.scrollTop + 3 + "px";
		GridHelper.DragCloneRows.style.left = e.clientX + document.documentElement.scrollLeft + document.body.scrollLeft + 3 + "px";
	}
}

// GridHelper.HandleGridMouseDown ---------------------------------------
GridHelper.HandleGridMouseDown = function (e, threadRow)
{
    if (!e) var e = window.event;
    if (GridHelper.IsLeftClick(e) && threadRow.Selected)
	{
	    var grid = threadRow.Owner;
	    GridHelper.BeginDragRows(grid);
    }
}

// GridHelper.HandleGridMouseUp -----------------------------------------
GridHelper.HandleGridMouseUp = function (e)
{
	GridHelper.EndDragRows();
}

// GridHelper.IsLeftClick -----------------------------------------------
GridHelper.IsLeftClick = function (e)
{
	return (e && e.button < 2);
}

GridHelper.InitializeDragDrop();

*/