function menu_link(num)
{
	switch(num)

	{

	  case 1:window.location="blad1.htm" ;break;

	  case 2:window.location="blad2.htm" ;break;

	  case 3:window.location="blad3.htm" ;break;

	  case 4:window.location="blad4.htm" ;break;

	  case 5:window.location="blad5.htm" ;break;

	  case 6:window.location="blad6.htm" ;break;

	}
}