// clear formdata
function clearData()
{
	for (i=1; i<6; i++)
	{
		var ref = document.getElementById('airline_' + i);
		var ref2 = document.getElementById('awb_' + i);
		ref.value = "";
		ref2.value = "";
	}
	var firstfield = document.getElementById('airline_1');
	firstfield.focus();
}