function move_menu(num)
{
	switch(num)

	{

	  case 1:window.location="CU_Software.htm" ;break;
	
	  case 2:window.location="CU_Services.htm" ;break;

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

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

	}
}