<!--

function sv_changePeriod() {
    var svPeriod = document.svBookingForm.elements['svPeriod'];
    var svPeriodOthers = document.svBookingForm.elements['svPeriodOthers'];

    if (svPeriod.selectedIndex==4) {
        svPeriodOthers.disabled=false;
        svPeriodOthers.value="";
    } else {
        svPeriodOthers.value="-NA-";
        svPeriodOthers.disabled=true;
    }
        
}

function sv_changeCollection() {
    var svCollection = document.svBookingForm.elements['svCollection'];
    var svCollectionOthers = document.svBookingForm.elements['svCollectionOthers'];

    if (svCollection.selectedIndex==9) {
        svCollectionOthers.disabled=false;
        svCollectionOthers.value="";
    } else {
        svCollectionOthers.value="-NA-";
        svCollectionOthers.disabled=true;
    }
        
}

function sv_verifyPublicBooking() {

    var svFirstName = document.svBookingForm.elements['svFirstName'];
    var svLastName = document.svBookingForm.elements['svLastName'];
    var svContactMobile = document.svBookingForm.elements['svContactMobile'];
    var svContactHome = document.svBookingForm.elements['svContactHome'];
    var svEmail = document.svBookingForm.elements['svEmail'];
   

    var svCamModel = document.svBookingForm.elements['svCamModel'];
    var svDvCamModel = document.svBookingForm.elements['svDvCamModel'];
    var svProjectorModel = document.svBookingForm.elements['svProjectorModel'];
    var svWalkieModel = document.svBookingForm.elements['svWalkieModel'];
    var svKeyboardModel = document.svBookingForm.elements['svKeyboardModel'];
    var svAccessory = document.svBookingForm.elements['svAccessory'];

    var svPurpose = document.svBookingForm.elements['svPurpose'];

    var svPeriod = document.svBookingForm.elements['svPeriod'];
    var svPeriodOthers = document.svBookingForm.elements['svPeriodOthers'];

    var svDay = document.svBookingForm.elements['svDay'];
    var svMonth = document.svBookingForm.elements['svMonth'];
    var svYear = document.svBookingForm.elements['svYear'];

    svFirstName.value=trimAll(svFirstName.value);
    svLastName.value=trimAll(svLastName.value);
    svContactMobile.value=trimAll(svContactMobile.value);
    svContactHome.value=trimAll(svContactHome.value);
    svEmail.value=trimAll(svEmail.value);

    svPurpose.value=trimAll(svPurpose.value);

    svDay.value=trimAll(svDay.value);
    svMonth.value=trimAll(svMonth.value);
    svYear.value=trimAll(svYear.value);

    var svCollection = document.svBookingForm.elements['svCollection'];
    var svCollectionOthers = document.svBookingForm.elements['svCollectionOthers'];


    if (!validateNotEmpty(svLastName.value)) {
        alert("Please enter your last name.");
        svLastName.focus();
        return false;
    }

    if (!validateNotEmpty(svFirstName.value)) {
        alert("Please enter your first name.");
        svFirstName.focus();
        return false;
    }

    if (!validateNotEmpty(svContactMobile.value)) {
        alert("Please enter your mobile contact no.");
        svContactMobile.focus();
        return false;
    }

    if (!validateNotEmpty(svContactHome.value)) {
        alert("Please enter your home contact no.");
        svContactHome.focus();
        return false;
    }

    if (!validateEmail(svEmail.value)) {
        alert("Please enter a valid email address.");
        svEmail.focus();
        return false;
    }

    if ((svCamModel.selectedIndex<=0) && (svDvCamModel.selectedIndex<=0) && (svProjectorModel.selectedIndex<=0) && (svWalkieModel.selectedIndex<=0) && (svKeyboardModel.selectedIndex<=0)) {
        alert("Please select an item to loan.");
        return false;
    }

    if (!validateNotEmpty(svPurpose.value)) {
        alert("Please enter a purpose.");
        svPurpose.focus();
        return false;
    }

    if (svPeriod.selectedIndex<=0) {
        alert("Please select a period of loan.");
        svPeriod.focus();
        return false;
    }

    if (!svPeriodOthers.disabled && !validateInteger(svPeriodOthers.value)) {
        alert("Please enter a valid period of loan.");
        svPeriodOthers.focus();
        return false;
    }


    if (!validateInteger(svDay.value)) {
        alert("Please enter a valid day.");
        svDay.focus();
        return false;
    }

    if (!validateInteger(svMonth.value)) {
        alert("Please enter a valid month.");
        svMonth.focus();
        return false;
    }

    if (!validateInteger(svYear.value)) {
        alert("Please enter a valid year.");
        svYear.focus();
        return false;
    }

    if (svCollection.selectedIndex<=0) {
        alert("Please select a collection location.");
        svCollection.focus();
        return false;
    }

    if (!svCollectionOthers.disabled && !validateNotEmpty(svCollectionOthers.value)) {
        alert("Please enter a collection location.");
        svCollectionOthers.focus();
        return false;
    }


    return confirm ("Submit booking?");
}
-->