function validateSearch()
{
	trimFields();
	if(obj.category.selectedIndex == 0)
	{
		alert("Please Select Stepper/MPA part");
		obj.category.focus();
		return false;
	}
	if(obj.keywords.value == '')
	{
		alert("Please enter Part # or Name to search.");
		obj.keywords.focus();
		return false;
	}
	return true;
}
function changeURL(url)
{
	obj.action = url+'.html';
}