function chkFormData() {
    if (document.getElementById('txtFname').value=="") {
        alert("'Name' is required.");
        document.getElementById('txtFname').focus();
        return false;
    }else if (document.getElementById('txtCompany').value=="") {
        alert("'Company' is required.");
        document.getElementById('txtCompany').focus();
        return false;
    }else if (document.getElementById('txtCompanyadd').value=="") {
        alert("'Company's Address' is required.");
        document.getElementById('txtCompanyadd').focus();
        return false;
    }else if (document.getElementById('country').value=="SELECT") {
        alert("Please select a Country.");
        document.getElementById('country').focus();
        return false;
    }else if (document.getElementById('state').value=="SELECT") {
        alert("Please select a State/Province.");
        document.getElementById('state').focus();
        return false;
    }else if (document.getElementById('txtEmail').value=="") {
        alert("'Email' is required.");
        document.getElementById('txtEmail').focus();
        return false;
    }else if (document.getElementById('txtContact').value=="") {
        alert("'Contact/Mobile No.' is required.");
        document.getElementById('txtContact').focus();
        return false;
    }else if (document.getElementById('txtPol').value=="SELECT") {
        alert("Please select a Port of Load.");
        document.getElementById('txtPol').focus();
        return false;
    }else if (document.getElementById('txtPod').value=="SELECT") {
        alert("Please select a Port of Discharge.");
        document.getElementById('txtPod').focus();
        return false;
    }else if ((document.getElementById('txtCntrtype').value=="SELECT") && (document.getElementById('txtCntrtype2').value=="") ) {
        alert("Please select a Container Type.");
        document.getElementById('txtCntrtype').focus();
        return false;
    }else if (document.getElementById('txtCmdity').value=="") {
        alert("'Commodity' is required.");
        document.getElementById('txtCmdity').focus();
        return false;
    }
//    }else if (!document.getElementById('rbDg').checked) {
//        alert("Please choose 'Yes' or 'No' for 'Non-Hazardous Cargo'.");
//        //document.getElementById('rbDg').focus();
//        return false;
//    }
}