function menu_link(num)
{
	switch(num)

	{

	  case 1:window.location="welkom.htm" ;break;
	  case 2:window.location="wieiswie.htm" ;break;
	  case 3:window.location="borstkanker.htm" ;break;
	  case 4:window.location="disciplines.htm" ;break;
	  case 5:window.location="links.htm" ;break;
	  case 6:window.location="activiteiten.htm" ;break



	}
}