function ctlSearch_OnClick ()
{
 var url;
 var theform = document.frmSearchBox;

 if (theform.keyword.value.length < 2)
 {
  alert('Please enter at least two characters.');
  theform.keyword.focus();
 }
 else
 {
   var iIndex = theform.ddlSearchType.selectedIndex;
   var sSearchType = theform.ddlSearchType.options[iIndex].value;
// Version 2.7 release
// 1. using default Domain, like "orientalmotor.thomasnet.com" in our sample 
// 2. using root category shortName, like "all-categories" in our sample
  url = "http://nopak.thomasnet-navigator.com/keyword/?&plpver=10&key=all&keycateg=100"
  url = url + "&SchType=" + sSearchType;
  url = url + "&keyword=" + encodeURI(theform.keyword.value);
  url = url + "&refer=" + encodeURI("http://" + document.location.hostname);

  document.location.href = url;
 }
//alert (url);                                                        
}