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://glasstometal.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); 
}