function goURL(a)
{
	switch (a) 
	{
	case 1: 
	  a='index.html';
	  break
	case 2: 
	  a='about.htm';
	  break
	case 3: 
	  a='fleet.htm';
	  break
	case 4: 
	  a='services.htm';
	  break
	case 5: 
	  a='contact.htm';
	  break
	}
	location.href = a;
}