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://micronmetals.thomasnet.com/keyword/?&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);  
}