function add_to_search() {
	var searchForm = document.getElementById('searchForm');
	var secondForm = document.getElementById('searchAdvanced');
	var str = searchForm.fdse_Terms.value+" ";
	if (secondForm) {
		var value = secondForm.geo1.options[secondForm.geo1.selectedIndex].value;
		if (value != "-1") {
			str += value;
		}
		value = secondForm.geo2.options[secondForm.geo2.selectedIndex].value;
		if (value != "-1") {
			str += " "+secondForm.cond1.options[secondForm.cond1.selectedIndex].value+" "+value;
		}
		value = secondForm.geo3.options[secondForm.geo3.selectedIndex].value;
		if (value != "-1") {
			str += " "+secondForm.cond2.options[secondForm.cond2.selectedIndex].value+" "+value;
		}

		value = secondForm.subject1.options[secondForm.subject1.selectedIndex].value;
		if (value != "-1") {
			str += " "+value;
		}

		value = secondForm.subject2.options[secondForm.subject2.selectedIndex].value;
		if (value != "-1") {
			str += " "+secondForm.scond.options[secondForm.scond.selectedIndex].value+" "+value;
		}

		value = secondForm.type1.options[secondForm.type1.selectedIndex].value;
		if (value != "-1") {
			str += " "+value;
		}
		searchForm.fdse_Terms.value = str;
	}
	return true;
}