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;   
  url = "http://equipment.howecorp.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;   
 }     
}