function isUrl(s) {
        var regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/
        return regexp.test(s);
    }

function ValidateCreateSearch() 
{
    var PlaneType = document.getElementById("ctl00_ContentPlaceHolder1_ddlPlaneType");
    if (parseInt(PlaneType.value) < 1) 
    {
        alert("Select Plane Type !!!");
        PlaneType.focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtMinPrice').value == '') 
    {
        alert('Enter Min Price');
        document.getElementById('ctl00_ContentPlaceHolder1_txtMinPrice').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtMaxPrice').value == '') 
    {
        alert('Enter Max Price');
        document.getElementById('ctl00_ContentPlaceHolder1_txtMaxPrice').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtMinPrice').value > document.getElementById('ctl00_ContentPlaceHolder1_txtMaxPrice').value) 
    {
        alert('Price range should be Min To Max !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtMinPrice').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').value == '') 
    {
        alert('Enter Email');
        document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtPhone').value == '') 
    {
        alert('Enter Phone Number');
        document.getElementById('ctl00_ContentPlaceHolder1_txtPhone').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtOtherDetails').value == '') 
    {
        alert('Enter Details');
        document.getElementById('ctl00_ContentPlaceHolder1_txtOtherDetails').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtZipCode').value == '') 
    {
        alert('Enter ZipCode');
        document.getElementById('ctl00_ContentPlaceHolder1_txtZipCode').focus();
        return false;
    }
    return true;
}

function isNumberKey(evt) 
{
    var charCode = (evt.which) ? evt.which : event.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57))
        return false;

    return true;
}


function isNumberKeyFindAircraft(evt) 
{
    var charCode = (evt.which) ? evt.which : event.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57))
        return false;
KeyDownHandlerFindAircraft(evt, 'btnSearch');
    return true;
}


function ValidateFormEmailseller() 
{
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtMessage').value == '') 
    {
        alert('Enter text message !!!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtMessage').focus();
        return false;
    }
    return true;
}

function SetDefault(focus, Obj, txt) 
{
    if (focus == 'true' && Obj.value == txt) 
    {
        Obj.value = "";
    }
    else 
    {
            if (Obj.value == "") 
        {
            Obj.value = txt;
        }
    }
}

function ValidateFormCreateAd1() 
{
    var txtRegNo = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_txtRegNo');
    if (txtRegNo.value == '' || txtRegNo.value == 'Example: 102AG') 
    {
        alert('Enter Proper Reg no');
        txtRegNo.focus();
        return false;
    }
}
function ValidateFormCreateAd() 
{
    var txtRegNo = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_txtRegNo');
    if (txtRegNo.value == '' || txtRegNo.value == 'Example: 102AG') 
    {
        alert('Enter Reg no');
        txtRegNo.focus();
        return false;
    }
    var ddlAircraftType = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_ddlAircraftType');
    if (parseInt(ddlAircraftType.value) < 1) 
    {
        alert('Please select Aircraft type');
        ddlAircraftType.focus();
        return false;
    }
   
    if(document.getElementById('ctl00_ContentPlaceHolder1_hvPackageType').value=='2')
    {
        if(parseInt(ddlAircraftType.value)!= 0)
        {
       
            if(parseInt(ddlAircraftType.value) == 4 || parseInt(ddlAircraftType.value) == 5 || parseInt(ddlAircraftType.value) == 7 || parseInt(ddlAircraftType.value) == 8 )
            {
                alert('The Aircratft Types alloted to a Gold Membership User are : \n\n - Single Prop \n - MultiEngine \n - Helicopters \n - Experimental \n\n  Can not add a listing of any other type of Aircraft !!');
                ddlAircraftType.focus();
                return false;
            }
        }
    }
  
     if(document.getElementById('ctl00_ContentPlaceHolder1_hvPackageType').value=='3')
    {
        if(parseInt(ddlAircraftType.value)!= 0)
        {
            if(parseInt(ddlAircraftType.value) == 2 || parseInt(ddlAircraftType.value) == 3 || parseInt(ddlAircraftType.value)==4 || parseInt(ddlAircraftType.value) == 5 || parseInt(ddlAircraftType.value)==6 || parseInt(ddlAircraftType.value)==7 || parseInt(ddlAircraftType.value)== 8 )
            {
                alert('The Aircratft Types alloted to a Silver Membership User are : \n\n - Single Prop \n - Experimental \n\n  Can not add a listing of any other type of Aircraft !!');
                ddlAircraftType.focus();
                return false;
            }
        }
    }
    var ddlManufacturer = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_ddlManufacturer');

    if (parseInt(ddlManufacturer.value) < 1) 
    {
        alert('Please select Manufacturer.');
        ddlManufacturer.focus();
        return false;
    }
    var txtYear = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_txtYear');
    if (txtYear.value == '') 
    {
        alert('Enter Year');
        txtYear.focus();
        return false;
    }
    var txtModel = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_txtModel');
    if (txtModel.value == '') 
    {
        alert('Enter Model');
        txtModel.focus();
        return false;
    }
    var txtAskingPrice = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_txtAskingPrice');
    if (txtAskingPrice.value == '') 
    {
        alert('Enter Asking Price');
        txtAskingPrice.focus();
        return false;
    }

    var txtEnginehours = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_txtEnginehours');
    if (txtEnginehours.value == '' ) 
    {
        alert('Enter Enginehours');
        txtEnginehours.focus();
        return false;
    }

    var txtAirFrameHours = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_txtAirFrameHours');
    if (txtAirFrameHours.value == '') 
    {
        alert('Enter AirFrameHours');
        txtAirFrameHours.focus();
        return false;
    }

    var txtDesciption = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_txtDesciption');
    if (txtDesciption.value == '') {
        alert('Enter Description');
        txtDesciption.focus();
        return false;
    }
    var txtZipCode = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_txtZipCode');
    if (txtZipCode.value == '') {
        alert('Enter ZipCode');
        txtZipCode.focus();
        return false;
    }

    var ddlCountry = document.getElementById('ctl00_ContentPlaceHolder1_Wizard1_ddlCountry');
    if (parseInt(ddlCountry.value) < 1) {
        alert('Please select Country.');
        ddlCountry.focus();
        return false;
    }
    return true;
}

function ValidateFormEmailBuyer() 
{
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtMessage').value == '') 
    {
        alert('Enter Message');
        document.getElementById('ctl00_ContentPlaceHolder1_txtMessage').focus();
        return false;
    }
    return true;
}

function ValidateFormBillingInfo() 
{
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtName').value == '') 
    {
        alert('Provide name on Credit Card !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtName').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtStreet').value == '') 
    {
        alert('Provide Billing Street Name !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtStreet').focus();
        return false;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlState').value == '0') 
    {
        alert('Select Billing State !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlState').focus();
        return false;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_txtZipCode').value == '') 
    {
        alert('Enter Billing ZipCode !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtZipCode').focus();
        return false;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlCountry').value == '0') 
    {
        alert('Select Billing Country !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlCountry').focus();
        return false;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlCredittype').value == '0') 
    {
        alert('Select Credit Card Type !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlCredittype').focus();
        return false;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_txtCCNumber').value == '') 
    {
        alert('Card Number is a required field !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtCCNumber').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlMonth').value == '0') 
    {
        alert('Select Expiration Month !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlMonth').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlYear').value == '0') 
    {
        alert('Select Expiraiton Year !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlYear').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtCVVCode').value == '') 
    {
        alert('CVV Code is a required field !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtCVVCode').focus();
        return false;
    }
    return true;
}

function validateformEditSellerProfile() 
{
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtFirstName").value == "") 
    {
        alert("Please enter first name");
        document.getElementById("ctl00_ContentPlaceHolder1_txtFirstName").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtLastName").value == "") 
    {
        alert("Please enter last name");
        document.getElementById("ctl00_ContentPlaceHolder1_txtLastName").focus();
        return false;
    }
    if (!isEmailValid(document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").value)) 
    {
        alert("Please enter valid email.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").focus();
        return false;
    }
//    if (document.getElementById("ctl00_ContentPlaceHolder1_txtPassword").value == "") 
//    {
//        alert("Please enter Password");
//        document.getElementById("ctl00_ContentPlaceHolder1_txtPassword").focus();
//        return false;
//    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtZipCode").value == "") 
    {
        alert("Please enter zip code.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtZipCode").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtAddress").value == "") 
    {
        alert("Please enter Address.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtAddress").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtCity").value == "") 
    {
        alert("Please enter City.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtCity").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtPhone").value == "") 
    {
        alert("Please enter Phone Number.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtPhone").focus();
        return false;
    }
    var ddlState = document.getElementById('ctl00_ContentPlaceHolder1_ddlState');
    if (parseInt(ddlState.value) < 1) 
    {
        alert('Please select State');
        ddlState.focus();
        return false;
    }
    var ddlCountry = document.getElementById('ctl00_ContentPlaceHolder1_ddlCountry');
    if (parseInt(ddlCountry.value) < 1) 
    {
        alert('Please select Country');
        ddlCountry.focus();
        return false;
    }
   var newpassword = document.getElementById("ctl00_ContentPlaceHolder1_txtPassword")
    if (newpassword.value != "") 
    {
        if (newpassword.value.length < 3) 
        {
            alert("Password should have at least 3 characters !!");
            newpassword.focus();
            return false;
        }
        var conpassword = document.getElementById("ctl00_ContentPlaceHolder1_txtCPassword");
        if(document.getElementById('ctl00_ContentPlaceHolder1_hvPassword').value != newpassword.value)
        {
           if (conpassword.value == "") 
           {
               alert("Password has been changed, verify it in the Confirm Password box !!");
               conpassword.focus();
               return false;
           }
           if (conpassword.value != newpassword.value) 
           {
               alert("Passwords not verified, try again !!");
               conpassword.focus();
               return false;
           }
         }
         if (conpassword.value != "" && conpassword.value != newpassword.value) 
         {
              alert("Passwords not verified, try again !!");
              conpassword.focus();
              return false;
         }
     }
    return true;
}


function validateformEditDelearProfile() 
{
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtFirstName").value == "") 
    {
        alert("Please enter first name");
        document.getElementById("ctl00_ContentPlaceHolder1_txtFirstName").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtLastName").value == "") 
    {
        alert("Please enter last name");
        document.getElementById("ctl00_ContentPlaceHolder1_txtLastName").focus();
        return false;
    }
//    if (document.getElementById("ctl00_ContentPlaceHolder1_txtPassword").value == "") 
//    {
//        alert("Please enter Password");
//        document.getElementById("ctl00_ContentPlaceHolder1_txtPassword").focus();
//        return false;
//    }
    if (!isEmailValid(document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").value)) 
    {
        alert("Please enter valid email.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").focus();
        return false;
    }
    if(document.getElementById('ctl00_ContentPlaceHolder1_txtWebAddress').value!= '')
    {
        if(!isUrl(document.getElementById('ctl00_ContentPlaceHolder1_txtWebAddress').value))
        {
            alert('Enter Valid Web Address. Eg. http://www.domainname.com !!');
            document.getElementById('ctl00_ContentPlaceHolder1_txtWebAddress').focus();
            return false;
        }
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtZipCode").value == "") 
    {
        alert("Please enter zip code.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtZipCode").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtAddress").value == "") 
    {
        alert("Please enter Address.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtAddress").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtCity").value == "") 
    {
        alert("Please enter City.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtCity").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtPhone").value == "") 
    {
        alert("Please enter Phone Number.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtPhone").focus();
        return false;
    }
    var ddlState = document.getElementById('ctl00_ContentPlaceHolder1_ddlState');
    if (parseInt(ddlState.value) < 1) 
    {
        alert('Please select State');
        ddlState.focus();
        return false;
    }
    var ddlCountry = document.getElementById('ctl00_ContentPlaceHolder1_ddlCountry');
    if (parseInt(ddlCountry.value) < 1) 
    {
        alert('Please select Country');
        ddlCountry.focus();
        return false;
    }

    var newpassword = document.getElementById("ctl00_ContentPlaceHolder1_txtPassword")
    if (newpassword.value != "") 
    {
        if (newpassword.value.length < 3) 
        {
            alert("Password should have at least 3 characters !!");
            newpassword.focus();
            return false;
        }
        var conpassword = document.getElementById("ctl00_ContentPlaceHolder1_txtCPassword");
        if(document.getElementById('ctl00_ContentPlaceHolder1_hvPassword').value != newpassword.value)
        {
           if (conpassword.value == "") 
           {
               alert("Password has been changed, verify it in the Confirm Password box !!");
               conpassword.focus();
               return false;
           }
           if (conpassword.value != newpassword.value) 
           {
               alert("Passwords not verified, try again !!");
               conpassword.focus();
               return false;
           }
         }
         if (conpassword.value != "" && conpassword.value != newpassword.value) 
         {
              alert("Passwords not verified, try again !!");
              conpassword.focus();
              return false;
         }
     }
     return true;
}




function isEmailValid(sEmail) 
{
    if (sEmail.value == '' || sEmail.indexOf('.') == 0 || sEmail.indexOf('.') == -1 || sEmail.indexOf('@') == 0 || sEmail.indexOf('@') == -1 || sEmail.indexOf('.') == sEmail.length - 1 || sEmail.indexOf(',') >= 0)
        return false;
    else
        return true;
}

function validateformEditBuyerProfile() {

    if (document.getElementById("ctl00_ContentPlaceHolder1_txtFirstName").value == "") {
        alert("Please enter first name");
        document.getElementById("ctl00_ContentPlaceHolder1_txtFirstName").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtLastName").value == "") {
        alert("Please enter last name");
        document.getElementById("ctl00_ContentPlaceHolder1_txtLastName").focus();
        return false;
    }

    if (!isEmailValid(document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").value)) {
        alert("Please enter valid email.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtPassword").value == "") {
        alert("Please enter Password");
        document.getElementById("ctl00_ContentPlaceHolder1_txtPassword").focus();
        return false;
    }

    if (document.getElementById("ctl00_ContentPlaceHolder1_txtZipCode").value == "") {
        alert("Please enter zip code.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtZipCode").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtAddress").value == "") {
        alert("Please enter Address.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtAddress").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtCity").value == "") {
        alert("Please enter City.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtCity").focus();
        return false;
    }

    if (document.getElementById("ctl00_ContentPlaceHolder1_txtPhone").value == "") {
        alert("Please enter Phone number.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtPhone").focus();
        return false;
    }
    var ddlState = document.getElementById('ctl00_ContentPlaceHolder1_ddlState');
    if (parseInt(ddlState.value) < 1) {
        alert('Please select State');
        ddlState.focus();
        return false;
    }
    var ddlCountry = document.getElementById('ctl00_ContentPlaceHolder1_ddlCountry');
    if (parseInt(ddlCountry.value) < 1) {
        alert('Please select Country');
        ddlCountry.focus();
        return false;
    }


    var newpassword = document.getElementById("ctl00_ContentPlaceHolder1_txtPassword")
    if (newpassword.value == "") {
        alert("Please enter new password.");
        newpassword.focus();
        return false;
    }
    else if (newpassword.value.length < 2) {
        alert("Password should have at least 3 letter and numbers.");
        newpassword.focus();
        return false;
    }
    var conpassword = document.getElementById("ctl00_ContentPlaceHolder1_txtCPassword")

    if (conpassword.value == "") {
        alert("Please enter confirm password.");
        conpassword.focus();
        return false;
    }

    if (conpassword.value != newpassword.value) {
        alert("Please enter confirm password.");
        conpassword.focus();
        return false;
    }
    return true;

}

function ValidateFormFindAircraft() 
{
    var Manufacturer = "", Model = "", ddlYear = "", YearFrom = "", YearTo = "", Keywords = "", Zipcode = "", Type = "", Distance = "";

    if (document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlManufacturer') != null) 
    {
//        if (document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlManufacturer').value == '0') 
//        {
//            alert('Select a manufacturer name first !!');
//            document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlManufacturer').focus();
//            return false;
//        }
        if (document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlManufacturer').value == "0")
            Manufacturer = "";
        else 
        {
            var val = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlManufacturer');
            Manufacturer = val.options[val.selectedIndex].text
          
        }
         if (document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlType').value == "0")
            Type = "";
        else 
        {
            var val = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlType');
            val = val.options[val.selectedIndex].text
            Type = val.replace(" ","-").replace("&","and");
        }
        Model = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_txtModel').value;
        YearFrom = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlYear').value;
        YearTo = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlYearTo').value;
        Keywords = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_txtKeyword').value;
        Zipcode = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_txtZipCode').value;
        Distance = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlWithin').value;
        window.location = "/Listings.aspx?Manufacturer=" + Manufacturer + "&Model=" + Model + "&YearFrom=" + YearFrom + "&YearTo=" + YearTo + "&Keywords=" + Keywords + "&ZipCode=" + Zipcode + "&Type=" + Type + "&Distance=" +Distance;
        return true;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlManufacturer') != null) 
    {
//        if (document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlManufacturer').value == '0') 
//        {
//            alert('Select a manufacturer name first !!');
//            document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlManufacturer').focus();
//            return false;
//        }
        if (document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlManufacturer').value == "0")
            Manufacturer = "";
        else 
        {
            var val = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlManufacturer');
            Manufacturer = val.options[val.selectedIndex].text
        }
        if (document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlType').value == "0")
            Type = "";
        else 
        {
             var val = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlType');
            val = val.options[val.selectedIndex].text
            Type = val.replace(" ","-").replace("&","and");
        }
        Model = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_txtModel').value;
        YearFrom = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlYear').value;
        YearTo = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlYearTo').value;
        Keywords = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_txtKeyword').value;
        Zipcode = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_txtZipCode').value;
         Distance = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlWithin').value;
        window.location = "/Listings.aspx?Manufacturer=" + Manufacturer + "&Model=" + Model + "&YearFrom=" + YearFrom + "&YearTo=" + YearTo + "&Keywords=" + Keywords + "&ZipCode=" + Zipcode + "&Type=" + Type + "&Distance=" +Distance;
        return true;
    }
    
     if (document.getElementById('ctl00_ContentPlaceHolder1_ddlManufacturer') != null) 
    {
//        if (document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlManufacturer').value == '0') 
//        {
//            alert('Select a manufacturer name first !!');
//            document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlManufacturer').focus();
//            return false;
//        }
        if (document.getElementById('ctl00_ContentPlaceHolder1_ddlManufacturer').value == "0")
            Manufacturer = "";
        else 
        {
            var val = document.getElementById('ctl00_ContentPlaceHolder1_ddlManufacturer');
            Manufacturer = val.options[val.selectedIndex].text
        }
        if (document.getElementById('ctl00_ContentPlaceHolder1_ddlType').value == "0")
            Type = "";
        else 
        {
             var val = document.getElementById('ctl00_ContentPlaceHolder1_ddlType');
            val = val.options[val.selectedIndex].text
            Type = val.replace(" ","-").replace("&","and");
        }
        Model = document.getElementById('ctl00_ContentPlaceHolder1_txtModel').value;
        YearFrom = document.getElementById('ctl00_ContentPlaceHolder1_ddlYear').value;
        YearTo = document.getElementById('ctl00_ContentPlaceHolder1_ddlYearTo').value;
        Keywords = document.getElementById('ctl00_ContentPlaceHolder1_txtKeyword').value;
        Zipcode = document.getElementById('ctl00_ContentPlaceHolder1_txtZipCode').value;
         Distance = document.getElementById('ctl00_ContentPlaceHolder1_ddlWithin').value;
        window.location = "/Listings.aspx?Manufacturer=" + Manufacturer + "&Model=" + Model + "&YearFrom=" + YearFrom + "&YearTo=" + YearTo + "&Keywords=" + Keywords + "&ZipCode=" + Zipcode + "&Type=" + Type + "&Distance=" +Distance;
        return true;
    }

}

function RedirectAdvancedSearch() 
{
    var Manufacturer = "", Model = "", ddlYear = "", YearFrom = "", YearTo = "", Keywords = "", Zipcode = "", Type = "", Distance = "";
    if (document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlManufacturer') != null) 
    {
        if (document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlManufacturer').value == "0")
            Manufacturer = "";
        else 
        {
            var val = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlManufacturer');
            Manufacturer = val.options[val.selectedIndex].text
        }
       
        Model = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_txtModel').value;
        YearFrom = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlYear').value;
        YearTo = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlYearTo').value;
        Keywords = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_txtKeyword').value;
        Zipcode = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_txtZipCode').value;
        Distance = document.getElementById('ctl00_ContentPlaceHolder1_userCtrl_ucfind_ddlWithin').value;
        window.location = "/AdvancedSearch.aspx?Manufacturer=" + Manufacturer + "&Model=" + Model + "&YearFrom=" + YearFrom + "&YearTo=" + YearTo + "&Keywords=" + Keywords + "&ZipCode=" + Zipcode + "&Distance=" +Distance;
        return true;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlManufacturer') != null) 
    {
        if (document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlManufacturer').value == "0")
            Manufacturer = "";
        else 
        {
            var val = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlManufacturer');
            Manufacturer = val.options[val.selectedIndex].text
        }
        
        Model = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_txtModel').value;
        YearFrom = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlYear').value;
        YearTo = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlYearTo').value;
        Keywords = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_txtKeyword').value;
        Zipcode = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_txtZipCode').value;
         Distance = document.getElementById('ctl00_ContentPlaceHolder1_userCindexuc_ucfind_ddlWithin').value;
        window.location = "/AdvancedSearch.aspx?Manufacturer=" + Manufacturer + "&Model=" + Model + "&YearFrom=" + YearFrom + "&YearTo=" + YearTo + "&Keywords=" + Keywords + "&ZipCode=" + Zipcode + "&Distance=" +Distance;
        return true;
    }

}


function ValidateLoginControls() 
{
    if (document.getElementById('ctl00_userCtrlSignIn_txtUserName').value == '') 
    {
        alert('Provide Username !!');
        document.getElementById('ctl00_userCtrlSignIn_txtUserName').focus();
        return false;
    }
    if (document.getElementById('ctl00_userCtrlSignIn_txtUserName').value != '') 
    {
        if (!isEmailValid(document.getElementById('ctl00_userCtrlSignIn_txtUserName').value)) 
        {
            alert('Please enter valid Username !!');
            document.getElementById('ctl00_userCtrlSignIn_txtUserName').focus();
            return false;
        }
    }
    if (document.getElementById('ctl00_userCtrlSignIn_txtPassword').value == '') 
    {
        alert('Provide Password !!');
        document.getElementById('ctl00_userCtrlSignIn_txtPassword').focus();
        return false;
    }
}

function setradiobutton(obj) {
    var theForm = document.aspnetForm;

    for (i = 0; i < theForm.elements.length; i++) {
        if (theForm.elements[i].type == "radio" && theForm.elements[i].id != obj.id && theForm.elements[i].id.indexOf("rbtnShipMethod") > -1) {
            theForm.elements[i].checked = false;
        }
    }
}

function ShowhideDivAS(obj) {

    if (obj == 'true') {
        document.getElementById('divZipCode').style.display = '';
        document.getElementById('divState').style.display = 'none';
    }
    else {
        document.getElementById('divZipCode').style.display = 'none';
        document.getElementById('divState').style.display = '';
    }
}

function validateformAdvancedSearch() 
{
    if (!document.getElementById("ctl00_ContentPlaceHolder1_CheckBox1").checked && !document.getElementById("ctl00_ContentPlaceHolder1_CheckBox2").checked && !document.getElementById("ctl00_ContentPlaceHolder1_CheckBox3").checked) 
    {
        alert("Please select Atleast One Aircraft Type.");
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_ddlManufacturer").value == "0") 
    {
        alert("Please select Manufacturer Name to be searched.");
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtMinPrice').value > document.getElementById('ctl00_ContentPlaceHolder1_txtMaxPrice').value) 
    {
        alert('Price range should be Min To Max !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtMinPrice').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlYear').value > document.getElementById('ctl00_ContentPlaceHolder1_ddlYearTo').value) {
        alert('Year range should be Min To Max !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtMinPrice').focus();
        return false;
    }
}


function RowToggle(row, bHover) 
{
    if (bHover) {
        row.className = 'ListingTopList1Inner1';
    }
    else {
        row.className = 'ListingTopList1Inner';
    }
}

function RowToggle1(row, bHover) 
{
    if (bHover) {
        row.className = 'Light15T Red1';
    }
    else {
        row.className = 'Light15T Blue2';
    }
}

function Redirect(id) 
{
    window.location.href = "/detailPage.aspx?ListingId=" + id;
}
function Redirect(id,mfr,model,typename) 
{
    window.location.href ="/"+typename+"/"+mfr + "-" + model + "-for-sale/"+ "p"+id+".html";
}

function MoveImage(Move, id) 
{   
    var CurrentIndex;
    var MaxIndex;
    var ChangeIndex;
    var Images;
    var spnImageIndex;
    var imgListing;

    if (id.indexOf('nex') > -1) 
    {
        spnImageIndex = document.getElementById(id.replace('nex', 'spnImageIndex'));
        CurrentIndex = spnImageIndex.innerHTML;
        imgListing = document.getElementById(id.replace('nex', 'imgListing'));
        MaxIndex = document.getElementById(id.replace('nex', 'lblTotalImage')).innerHTML;
        ChangeIndex = parseInt(CurrentIndex) + parseInt(Move) - 1;
        Images = document.getElementById(id.replace('nex', 'hImages')).value;

    }
    else 
    {
        spnImageIndex = document.getElementById(id.replace('pre', 'spnImageIndex'));
        CurrentIndex = spnImageIndex.innerHTML;
        imgListing = document.getElementById(id.replace('pre', 'imgListing'));
        MaxIndex = document.getElementById(id.replace('pre', 'lblTotalImage')).innerHTML;
        ChangeIndex = parseInt(CurrentIndex) + parseInt(Move) - 1;
        Images = document.getElementById(id.replace('pre', 'hImages')).value;
    }



    if (ChangeIndex >= MaxIndex)
        ChangeIndex = ChangeIndex - MaxIndex;
    else if (ChangeIndex < 0)
        ChangeIndex = parseInt(MaxIndex) + parseInt(ChangeIndex);

    if (ChangeIndex > -1 && ChangeIndex < MaxIndex) 
    {
        var arr = new Array();
        arr = Images.split(',');

        imgListing.src = "/ListingImages/" + arr[ChangeIndex];
        spnImageIndex.innerHTML = ChangeIndex + 1;


    }
    return false;
}



function ValidateFormCheckOut() 
{
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtName').value == '') 
    {
        alert('Provide name on Credit Card !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtName').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtStreet').value == '') 
    {
        alert('Provide Billing Street Name !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtStreet').focus();
        return false;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlState').value == '0') 
    {
        alert('Select Billing State !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlState').focus();
        return false;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_txtZipCode').value == '') 
    {
        alert('Enter Billing ZipCode !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtZipCode').focus();
        return false;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlCountry').value == '0') 
    {
        alert('Select Billing Country !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlCountry').focus();
        return false;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlCredittype').value == '0') 
    {
        alert('Select Billing Country !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlCredittype').focus();
        return false;
    }

    if (document.getElementById('ctl00_ContentPlaceHolder1_txtCCNumber').value == '') 
    {
        alert('Card Number is a required field !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtCCNumber').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlMonth').value == '0') 
    {
        alert('Select Expiration Month !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlMonth').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlYear').value == '0') 
    {
        alert('Select Expiraiton Year !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlYear').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtCVVCode').value == '') 
    {
        alert('CVV Code is a required field !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtCVVCode').focus();
        return false;
    }
    return true;
}


function ValidateFormContactUs() 
{
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtName').value == '') 
    {
        alert('Name is a required field !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtName').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').value == '') 
    {
        alert('Email is a required Field !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').value != '') 
    {

        if (!isEmailValid(document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').value)) 
        {
            alert('Please Provide Valid Mail ID !!');
            document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').focus();
            return false;
        }
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtComments').value == '') 
    {
        alert('Please provide some comments !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtComments').focus();
        return false;
    }
    return true;
}


function ValidateFormDetailPage() {


    var txtEmailFrom = document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_txtEmailFrom');
    if (txtEmailFrom.value == "") {
        alert('Please provide your email id');
        txtEmailFrom.focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_txtEmailFrom').value != '') {

        if (!isEmailValid(document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_txtEmailFrom').value)) {
            alert('Please Provide Valid Mail ID !!');
            document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_txtEmailFrom').focus();
            return false;
        }
    }

    
    var txtMessage = document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_txtMessage');
    if (txtMessage.value == "") {
        alert('Please enter Your Message');
        txtMessage.focus();
        return false;
    }
    var txtcapcha = document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_txtcapcha');
    if (txtcapcha.value == "") {
        alert("Please enter Verification code.")
        txtcapcha.focus();
        return false;
    }
    return true;

//    var subject = document.getElementById('ctl00_ContentPlaceHolder1_hvSubject').value;
//    var emailsTo = document.getElementById('ctl00_ContentPlaceHolder1_hvEmailTo').value;
//    var message = "Congrats! Someone at AviatorTrade.com is interested in your aircraft! <br/>We are forwarding the message:<br/>" + document.getElementById('ctl00_ContentPlaceHolder1_txtMessage').value;
//    var emailFrom = document.getElementById('ctl00_ContentPlaceHolder1_txtEmailFrom').value;
//    var arg = new Array();
//    arg[0] = subject;
//    arg[1] = message;
//    arg[2] = emailsTo;
//    arg[3] = emailFrom;
    
//    ShowHide('divEmail', 'none');
//    ShowHide('divMessage', '');

  //  air.website.WebService.Manufacturer.SellerMail(subject, message, emailsTo, emailFrom, OnComplete);

}

function ReceiveServerData1(rValue) {
    ShowHide('spnWait', 'none');
    document.getElementById('spnmessage').innerHTML = rValue;
    setTimeout("Reset();", 1800);

}

function Reset() 
{
    ShowHide('divMessage', 'none');
    ShowHide('spnWait', '');
    document.getElementById('spnmessage').innerHTML = '';
}

function OnComplete(rtrvalue) 
{
    ShowHide('spnWait', 'none');
    document.getElementById('spnmessage').innerHTML = rtrvalue;
    setTimeout("Reset();", 1800);
}

function showImage(id) 
{
    imgDefault = document.getElementById('ctl00_ContentPlaceHolder1_imgDefault');
    
    imgDefault.src = "/ListingImages_l/" + id;
    document.getElementById('ctl00_ContentPlaceHolder1_aViewImage').href="/ListingImages_o/" + id;
        document.getElementById('ctl00_ContentPlaceHolder1_aViewImage').target="_blank";

}
function openWinPrint(url, width, height) 
{
    var x = window.open(url, null, "height=" + height + ",width=" + width + ",scrollbars=yes,status=no,toolbar=no,menubar=yes");
    x.focus();
    x.print();
}

function ShowHide(id, display) 
{

    document.getElementById(id).style.display = display;
    
}
function ShowHide2(id, display, val,name) 
{

    document.getElementById(id).style.display = display;
    document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_hvEmailTo').value=document.getElementById(val).value;
     document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_lblName').innerHTML= document.getElementById(name).value;
     
}
function ShowHide3(id, display, val,name,BuyerID) 
{

    document.getElementById(id).style.display = display;
    document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_hvEmailTo').value=document.getElementById(val).value;
     document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_lblName').innerHTML= document.getElementById(name).value;
     document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_hvBuyerID').value=document.getElementById(BuyerID).value
}
function ShowHideDealerCompanyProfile(id, display, val) 
{
    document.getElementById(id).style.display = display;
    document.getElementById('ctl00_ContentPlaceHolder1_UCSendMail_lblName').innerHTML=document.getElementById(val).value;
}
function ValidateFormMakePayment() {
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtCCNumber').value == '') {
        alert('Card Number is a required field !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtCCNumber').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlMonth').value == '0') {
        alert('Select Expiration Month !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlMonth').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_ddlYear').value == '0') {
        alert('Select Expiraiton Year !!');
        document.getElementById('ctl00_ContentPlaceHolder1_ddlYear').focus();
        return false;
    }
    if (document.getElementById('ctl00_ContentPlaceHolder1_txtCVVCode').value == '') {
        alert('CVV Code is a required field !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtCVVCode').focus();
        return false;
    }
    return true;
}


function validateformRegForEbook() 
{
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtFname").value == "") {
        alert("Please enter first name");
        document.getElementById("ctl00_ContentPlaceHolder1_txtFname").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtLname").value == "") {
        alert("Please enter last name");
        document.getElementById("ctl00_ContentPlaceHolder1_txtLname").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").value == "") {
        alert("Please enter e-mail");
        document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").focus();
        return false;
    }

    if (!isEmailValid(document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").value)) {
        alert("Please enter valid email.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").focus();
        return false;
    }

    var newpassword = document.getElementById("ctl00_ContentPlaceHolder1_txtPassword")
    if (newpassword.value == "") {
        alert("Please enter new password.");
        newpassword.focus();
        return false;
    }
    else if (newpassword.value.length < 2) {
        alert("Password should have at least 3 letter and numbers.");
        newpassword.focus();
        return false;
    }
    var conpassword = document.getElementById("ctl00_ContentPlaceHolder1_txtCPassword")

    if (conpassword.value == "") {
        alert("Please enter confirm password.");
        conpassword.focus();
        return false;
    }

    if (conpassword.value != newpassword.value) {
        alert("Please enter confirm password.");
        conpassword.focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtZipcode").value == "") {
        alert("Please enter zip code.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtZipcode").focus();
        return false;
    }
    if (!document.getElementById("ctl00_ContentPlaceHolder1_chkBuyer").checked && !document.getElementById("ctl00_ContentPlaceHolder1_chkSeller").checked) {
        alert("Please select register as buyer or seller.");
        return false;
    }
    if (!document.getElementById("ctl00_ContentPlaceHolder1_radIndividual").checked && !document.getElementById("ctl00_ContentPlaceHolder1_radDelear").checked) {
        alert("Please select you are Individual or delear.");
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_radDelear").checked) {
        if (document.getElementById("ctl00_ContentPlaceHolder1_txtDelearcompanyname").value == "") {
            alert("Please enter company name.");
            document.getElementById("ctl00_ContentPlaceHolder1_txtDelearcompanyname").focus();
            return false;
        }
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_ddlMType").value == "0") {
        alert("Please select membership type.");
        return false;
    }
}

function Search(Obj) {
    var textInput = Obj;

    if (textInput.value != "")
    {
      air.website.WebService.Manufacturer.Getemailavailable(textInput.value, OnComplete1, OnError);
    }
    else {
        $get("available").innerHTML = '';
    }
}

function OnComplete1(result) {



    if (result > 0) {
        //alert(result);
        $get("available").style.color = "Green";
        $get("available").innerHTML = 'Available';

    }
    else {
        $get("available").style.color = "Red";
        $get("available").innerHTML = 'Not Available';
    }
    $get("ctl00_ContentPlaceHolder1_hvemail").value = result;

}


function OnError(result) {
    alert(result.get_message());
}

function delearvissible(value) {

    if (value == 1) {
        document.getElementById("ctl00_ContentPlaceHolder1_pnlDelear").style.display = '';
    }
    else {
        document.getElementById("ctl00_ContentPlaceHolder1_pnlDelear").style.display = 'none';
    }

}

function validateformSignUp() {
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtFname").value == "") {
        alert("Please enter first name");
        document.getElementById("ctl00_ContentPlaceHolder1_txtFname").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtLname").value == "") {
        alert("Please enter last name");
        document.getElementById("ctl00_ContentPlaceHolder1_txtLname").focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").value == "") {
        alert("Please enter e-mail");
        document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").focus();
        return false;
    }

    if (!isEmailValid(document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").value)) {
        alert("Please enter valid email.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtEmail").focus();
        return false;
    }

    var newpassword = document.getElementById("ctl00_ContentPlaceHolder1_txtPassword")
    if (newpassword.value == "") {
        alert("Please enter new password.");
        newpassword.focus();
        return false;
    }
    else if (newpassword.value.length < 2) {
        alert("Password should have at least 3 letter and numbers.");
        newpassword.focus();
        return false;
    }
    var conpassword = document.getElementById("ctl00_ContentPlaceHolder1_txtCPassword")

    if (conpassword.value == "") {
        alert("Please enter confirm password.");
        conpassword.focus();
        return false;
    }

    if (conpassword.value != newpassword.value) {
        alert("Please enter confirm password.");
        conpassword.focus();
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_txtZipcode").value == "") {
        alert("Please enter zip code.");
        document.getElementById("ctl00_ContentPlaceHolder1_txtZipcode").focus();
        return false;
    }
    if (!document.getElementById("ctl00_ContentPlaceHolder1_chkBuyer").checked && !document.getElementById("ctl00_ContentPlaceHolder1_chkSeller").checked) {
        alert("Please select register as buyer or seller.");
        return false;
    }
    if (!document.getElementById("ctl00_ContentPlaceHolder1_radIndividual").checked && !document.getElementById("ctl00_ContentPlaceHolder1_radDelear").checked) {
        alert("Please select you are Individual or delear.");
        return false;
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_radDelear").checked) {
        if (document.getElementById("ctl00_ContentPlaceHolder1_txtDelearcompanyname").value == "") {
            alert("Please enter company name.");
            document.getElementById("ctl00_ContentPlaceHolder1_txtDelearcompanyname").focus();
            return false;
        }
    }
    if (document.getElementById("ctl00_ContentPlaceHolder1_ddlMType").value == "0") {
        alert("Please select membership type.");
        return false;
    }
    
     function showGraphics()
    {
        document.getElementById('divImage').style.display='none';  
    }
    function showGraphics()
    {
         var val=confirm('Are you sure to add this record to your favourites?');
         if(val)
         {
            document.getElementById('divImage').style.display='';  
            return true;
         }
         else
         return false;
         }
     }
    function ValidateLoginform()
    {
        if(document.getElementById('ctl00_ContentPlaceHolder1_txtUserName').value == '')
        {
            alert('Username is a required field !!');
            document.getElementById('ctl00_ContentPlaceHolder1_txtUserName').focus();
            return false;
        }
          if (!isEmailValid(document.getElementById('ctl00_ContentPlaceHolder1_txtUserName').value)) {
        alert("Please provide valid Username.");
        document.getElementById('ctl00_ContentPlaceHolder1_txtUserName').focus();
        return false;
    }
        if(document.getElementById('ctl00_ContentPlaceHolder1_txtPassword').value == '')
        {
            alert('Password is a required field !!');
            document.getElementById('ctl00_ContentPlaceHolder1_txtPassword').focus();
            return false;
        }
        return true;
    }

function ValidateRetPass()
{
    if(document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').value == '')
    {
        alert('Please provide your Email !!');
        document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').focus();
        return false;
    }
    if (!isEmailValid(document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').value)) {
        alert("Please provide valid Email.");
        document.getElementById('ctl00_ContentPlaceHolder1_txtEmail').focus();
        return false;
    }
    return true;
}

function KeyDownHandler(e, btn)
 {
 
    var eventInstance = window.event ? event : e;

    if (window.event) // IE
    {
        if (eventInstance.keyCode == 13)
        {
            eventInstance.returnValue = false;
            eventInstance.cancel = true;
            var obj = document.getElementById(btn);
            obj.click();
              return false;
        }
    }
    else if (eventInstance.which) // Netscape/Firefox/Opera
    {
        if (eventInstance.which == 13) 
        {
            eventInstance.returnValue = false;
            eventInstance.preventDefault();
            eventInstance.cancelBubble = true;
            var obj = document.getElementById(btn);
            obj.click();
            return false;
        }
    }
}

function KeyDownHandlerFindAircraft(e, btn)
 {

    var eventInstance = window.event ? event : e;

    if (window.event) // IE
    {
        if (eventInstance.keyCode == 13)
        {
            eventInstance.returnValue = false;
            eventInstance.cancel = true;
            var obj = document.getElementById(btn);
           ValidateFormFindAircraft();;
              return false;
        }
    }
    else if (eventInstance.which) // Netscape/Firefox/Opera
    {
        if (eventInstance.which == 13) 
        {
            eventInstance.returnValue = false;
            eventInstance.preventDefault();
            eventInstance.cancelBubble = true;
        
            var obj = document.getElementById(btn);
            ValidateFormFindAircraft() ;
            return false;
        }
    }
}

      function CheckBuyerDelear() {
       
            if (document.getElementById('ctl00_ContentPlaceHolder1_chkSeller').checked)
            {
                document.getElementById('ctl00_ContentPlaceHolder1_chkNseller').checked=true;
                document.getElementById('ctl00_ContentPlaceHolder1_radDelear').disabled='';
            }
            else
            if(document.getElementById('ctl00_ContentPlaceHolder1_chkBuyer').checked)
            {
                document.getElementById('ctl00_ContentPlaceHolder1_chkNbuyer').checked=true;
                document.getElementById('ctl00_ContentPlaceHolder1_radDelear').disabled='disabled';
            }
          
            if(document.getElementById('ctl00_ContentPlaceHolder1_chkBuyer').checked==false)
            {
               document.getElementById('ctl00_ContentPlaceHolder1_chkNbuyer').checked=false;
            }
           
             if (document.getElementById('ctl00_ContentPlaceHolder1_chkSeller').checked==false)
            {
                
               document.getElementById('ctl00_ContentPlaceHolder1_chkNseller').checked=false;
            }
            
            
        }