function goSearch() {

  // catch empty search
  var nonEmpty = /\w+/;
   
nonEmpty.test(document.searchbox.qt.value);
  if(!nonEmpty.test(document.searchbox.qt.value)) {
     alert('Please supply a search term.');
         return;
  }
  // NOTE: Replace www.bu.edu/your-site-here in the declaration below
  // with the actual web address to your site
     var searchurl="http://search.bu.edu/dept/query.html?qp=url:http://www.bu.edu/research&qt="+document.searchbox.qt.value+"&col=main";
	
         window.location.href = searchurl;
         return false;
}