function performSearch(searchField, queryTextField, queryRestriction) {
	if(searchField.value!='') {
		if(queryTextField.value.length == queryRestriction.length) {
			queryTextField.value += " (" + searchField.value + ")";
		} else {
			queryTextField.value = queryRestriction + " ("  + searchField.value + ")";
		}
		return true; 
	} else {
		return false; 
	}
}