function i_type() {

	document.getElementById('itype_awb').style.display = "none";
	document.getElementById('itype_ref').style.display = "none";

	if (!document.awb.intype[0].checked) {
		document.getElementById('itype_ref').style.display = "";
		
	
	} else {
		document.getElementById('itype_awb').style.display = "";

	}


	//alert(!document.awb.intype[0].checked + ":" + document.awb.intype[1].checked);


}








function Validator()
{
if ((awb.seq1.value.length < 1) || (awb.seq1.value.length > 0))
{

var awbform = document.awb;
var awbmod = awbform.seq1.value.substring(0,7)%7;
var awblst = awbform.seq1.value.substring(7);
var awblen = awbform.seq1.value.length;

 

// build error messages
mesg = "Airwaybill number must be 8 numbers"
mesg1 = "Airwaybill number must be a modulus of 7"


// validate for correct length
if (awblen != 8)
{
alert (mesg)
}


// validate for mod 7
else if (awblst != awbmod)
{
alert (mesg1)
}

//awb.seq1.focus();
return (false);
}

return (true);
}

function Validator2()
{
if ((awb.seq2.value.length < 1) || (awb.seq2.value.length > 0))
{

var awbform2 = document.awb;
var awbmod2 = awbform.seq2.value.substring(0,7)%7;
var awblst2 = awbform.seq2.value.substring(7);
var awblen2 = awbform.seq2.value.length;
// build error messages
mesg_2 = "Airwaybill number must be 8 characters"
mesg1_2 = "Airwaybill number must be a modulus of 7"

// validate for correct length
if (awblen2 != 8)
{
alert (mesg_2)
}

// validate for mod 7
else if (awblst2 != awbmod2)
{
alert (mesg1_2)
}

//awb.seq1.focus();
return (false);
}

return (true);
}









function Validator3()
{
if ((document.awbformside.seq1.value.length < 1) || (document.awbformside.seq1.value.length > 0))
{

var awbform = document.awbformside;
var awbmod = awbform.seq2.value.substring(0,7)%7;
var awblst = awbform.seq2.value.substring(7);
var awblen = awbform.seq2.value.length;

 

// build error messages
mesg = "Airwaybill number must be 8 numbers"
mesg1 = "Airwaybill number must be a modulus of 7"


// validate for correct length
if (awblen != 8)
{
alert (mesg)
}


// validate for mod 7
else if (awblst != awbmod)
{
alert (mesg1)
}

//awbformside.seq2.focus();
return (false);
}
return (true);
}