protected void ShowCalendarPicker_Click(object sender, EventArgs e)
	{
		this.cldCalendar.Visible = true;
		this.btnHideCalendarPicker.Visible = true;
	}
	protected void HideCalendarPicker_Click(object sender, EventArgs e)
	{
		this.cldCalendar.Visible = false;
		this.btnHideCalendarPicker.Visible = false;
	}

	protected void cldCalendar_SelectionChanged(object sender, EventArgs e)
	{
		this.txtChoosenDate.Text = cldCalendar.SelectedDate.ToShortDateString();
	}