function changeItem(s) {
	if (s.name != "search1") document.frmSearch.search1.selectedIndex = -1;
	if (s.name != "search2") document.frmSearch.search2.selectedIndex = -1;
	if (s.name != "search3") document.frmSearch.search3.selectedIndex = -1;
}

function submitResource(f) {
	if ( (document.frmSearch.search1.selectedIndex < 0) &&
             (document.frmSearch.search2.selectedIndex < 0) &&
             (document.frmSearch.search3.selectedIndex < 0) ) 
	{
	        alert("You must select a Curriculum, Subject, or Artist first.");
		return false;
	}
        else
        {
	  return true;
        }
}