document.write("<a href='show.asp?id=");document.write("28");document.write("'>Prev:");document.write("Diameter&nbsp;measuring&nbsp;instrument");document.write("</a>");document.write("<br />");document.write("<a href='show.asp?id=");document.write("26");document.write("'>Next:");document.write("grinding&nbsp;machine");document.write("</a>");