function menu(a) { switch (a) { case 1: return ' Home '; break; case 2: return ' Company profile '; break; case 3: return ' Engineering '; break; case 4: return ' Tool shop '; break; case 5: return ' Stamping '; break; case 6: return 'Injection molding'; break; case 7: return ' Machine list '; break; case 8: return ' Contact '; break; case 9: return ' News '; break; default: return ''; } }