private void button2_Click(object sender, EventArgs e)
{
ArxaioiPurgoi ArxaioiPurgoi = new ArxaioiPurgoi();
ArxaioiPurgoi.Show();
this.Hide();
}
private void button3_Click(object sender, EventArgs e) //this button sends the use to the previous sight
{
ArxaioiPurgoi ArxaioiPurgoi = new ArxaioiPurgoi();
ArxaioiPurgoi.Show();
this.Hide();
}