function submitsitesearch()
{
    if(document.sitesearch.onsubmit &&
    !document.sitesearch.onsubmit())
    {
        return;
    }
    if(document.sitesearch.searchquery.value !="") {
 		document.sitesearch.submit();
 		} else {
 		alert ("Please enter a search term.");
 		return;
 		}
}