// function for working out search type (activeSearch=yes/no)
function checkSearchType(formToCheck) {
	var searchType = "no";
	var searches = ""
		+ formToCheck.category.value
		+ formToCheck.priceBand.value
		+ formToCheck.painter.value
		+ formToCheck.search.value
		+ formToCheck.id;
	if(searches != "") formToCheck.activeSearch.value = "yes";
}