function move_menu(num)
{
	switch(num)

	{

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

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

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

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

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

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

	}
}