function barcodeHandler(formName,selectName){
var select = document[formName].elements[selectName];
barcode = select.options[select.selectedIndex].value;
if(barcode != ""){
	self.location.href = "http://www.aa.gov.au/cgi-bin/Search?Number=" + barcode + "&O=I"
	}
select.selectedIndex = 0;
}