function move_menu(num)
{
	switch(num)

	{

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

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

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

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

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

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

	}
}