function move_menu(num)
{
	switch(num)

	{

	  case 1:window.location="what_do_ we_do.htm" ;break;

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

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

	  case 4:window.location="logicall-applications.htm" ;break;

	}
}