// js ignore empty search
document.observe('dom:loaded', function(){
	if(document.forms['searchadvanced'] != null){
		document.forms['searchadvanced'].onsubmit = validateAdSF;
	}
});
function validateAdSF(){
	if(document.forms['searchadvanced'].q.value != ''){
		if(document.forms['searchadvanced'].q.value != ignorableSearchQuery){
			return true;
		}
	}
	var possibleSelectBoxes = document.forms['searchadvanced'].elements;
	var ith=0;
	for(ith=0; ith<possibleSelectBoxes.length; ith++){
		if(possibleSelectBoxes[ith].tagName == 'SELECT'){
			if(possibleSelectBoxes[ith].selectedIndex > 0){
				return true;
			}
		}	
	}
	$('catMsgError').innerHTML = emptySubmitErrorText;
	document.forms['searchadvanced'].q.focus();
	return false;
}