function menu_link(num)
{
	switch(num)

	{

	  case 1:window.location="membership-options.htm" ;break;

	  case 2:window.location="group-fitness.htm" ;break;

	  case 3:window.location="personal-training.htm" ;break;

	  case 4:window.location="strength-training.htm" ;break;

	}
}