function setupValidate()
{
	if (document.forms["search"])
	{
		document.forms["search"].onsubmit = searchValidate;
	}
}

function searchValidate()
{
	var search = document.forms["search"];
	var search_terms = search.elements["searchterms"];

	if (search_terms.value == "" || /^\s+$/.test(search_terms.value))
	{
		alert("Please enter a search term");
		return false;
	}
	else
	{
		return true;
	}
}

addLoadEvent(setupValidate);