function displayCompany() {
   var companySelect = document.getElementById("company_select");

   if (companySelect.value == "")
      alert('Please select a company.');
   else
      location.href = "company_" + companySelect.value + ".html";
}

function displayProductService() {
   var productServiceSelect = document.getElementById("productservice_select");

   if (productServiceSelect.value == "")
      alert('Please select a product or service.');
   else
      location.href = "productservice_" + productServiceSelect.value + ".html";
}

document.write("<table class='collapse box_rounded'>")
document.write("<tr><td colspan=3 class=top></td></tr>")
document.write("<tr><td class=left></td><td>")

document.write("<img src=img/box_rounded_title_tradesearch.gif>")
document.write(" <br>Company Name")
document.write("<div>")
document.write("<select id=company_select>")
document.write("<option value=''>Select Company</option>")
document.write("<option value='a'>A</option>")
document.write("<option value='b'>B</option>")
document.write("<option value='c'>C</option>")
document.write("<option value='d'>D</option>")
document.write("<option value='e'>E</option>")
document.write("<option value='f'>F</option>")
document.write("<option value='g'>G</option>")
document.write("<option value='h'>H</option>")
document.write("<option value='i'>I</option>")
document.write("<option value='j'>J</option>")
document.write("<option value='k'>K</option>")
document.write("<option value='l'>L</option>")
document.write("<option value='m'>M</option>")
document.write("<option value='n'>N</option>")
document.write("<option value='o'>O</option>")
document.write("<option value='p'>P</option>")
document.write("<option value='q'>Q</option>")
document.write("<option value='r'>R</option>")
document.write("<option value='s'>S</option>")
document.write("<option value='t'>T</option>")
document.write("<option value='u'>U</option>")
document.write("<option value='v'>V</option>")
document.write("<option value='w'>W</option>")
document.write("<option value='x'>X</option>")
document.write("<option value='y'>Y</option>")
document.write("<option value='z'>Z</option>")
document.write("</select>")
document.write(" <input type=image src=img/box_rounded_arrow.gif class=arrow onclick='displayCompany();'>")
document.write("</div>")

document.write("Products & Services")
document.write("<div>")
document.write("<select id=productservice_select>")
document.write("<option value=''>Select Product or Service</option>")
document.write("<option value='a'>A</option>")
document.write("<option value='b'>B</option>")
document.write("<option value='c'>C</option>")
document.write("<option value='d'>D</option>")
document.write("<option value='e'>E</option>")
document.write("<option value='f'>F</option>")
document.write("<option value='g'>G</option>")
document.write("<option value='h'>H</option>")
document.write("<option value='i'>I</option>")
document.write("<option value='j'>J</option>")
document.write("<option value='k'>K</option>")
document.write("<option value='l'>L</option>")
document.write("<option value='m'>M</option>")
document.write("<option value='n'>N</option>")
document.write("<option value='o'>O</option>")
document.write("<option value='p'>P</option>")
document.write("<option value='q'>Q</option>")
document.write("<option value='r'>R</option>")
document.write("<option value='s'>S</option>")
document.write("<option value='t'>T</option>")
document.write("<option value='u'>U</option>")
document.write("<option value='v'>V</option>")
document.write("<option value='w'>W</option>")
document.write("<option value='x'>X</option>")
document.write("<option value='y'>Y</option>")
document.write("<option value='z'>Z</option>")
document.write("</select>")
document.write(" <input type=image src=img/box_rounded_arrow.gif class=arrow onclick='displayProductService();'>")
document.write("</div>")

document.write("<img src=img/box_rounded_hr.gif class=hr>")

document.write("<a href=trade_enquiry1.1.html><img src=img/box_rounded_tradesearch_enq.gif></a>")

/*
<img src=img/box_rounded_title_tradeenquiry.gif>
<br>A simple enquiry system to reach the company you are looking for.
<br><img src=img/box_rounded_tradesearch_steps.gif>
*/

document.write("</td><td class=right></td></tr>")
document.write("<tr><td colspan=3 class=bottom></td></tr>")
document.write("</table>")