document.write("<b>Programmable Controllers</b>");
document.write("<ul>");
document.write("<li><a href='http://www.ab.com/programmablecontrol/'>General Information</a></li>");
document.write("<li><a href='http://www.ab.com/programmablecontrol/pac/'>Programmable Automation Controllers</a></li>");
document.write("<li><a href='http://www.ab.com/programmablecontrol/plc/'>Programmable Logic Controllers</a></li>");
document.write("<li><a href='http://www.ab.com/programmablecontrol/safety/'>Safety Programmable Controllers</a></li>");
document.write("</ul>");