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<script>
    function sendParameters(wid, labelsArray, parametersArray) {
        //select form by wid
        var $form = $('form[data-wid="' + wid + '"]');

        //get the fields's values and store them in an array
        var encodedValsArray = labelsArray.map(function(e, i) {
            return $form.find('input[name="' + base64_encode(e) + '"]').val();
        }).map(function(e, i) {
            return encodeURIComponent(e);
        });

        //build query string
        var queryString = encodedValsArray.reduce(function(str, val, i) {
            if (i === 0) {
                return str + parametersArray[i] + '=' + val;
            } else {
                return str + '&' + parametersArray[i] + '=' + val;
            }
        }, '?');
        console.log(queryString);

        //get the redirect url
        var redirectUrl = $form.find('input[name="redirect"]').val();

        //amend redirect url in form by adding fields from form
        $form.find('input[name="redirect"]').val(redirectUrl + queryString);

    }

    window.instapageFormSubmitSuccess = function(form, wid) {
        if (wid === 268) {
            sendParameters(wid, ['First Name', 'Last Name', 'Email', 'Phone Number'], ['first', 'last', 'email', 'phone']);
        } else if (wid === 195) {
            sendParameters(wid, ['Email'], ['email']);
        }
    }

</script>

<script>
    window.instapageFormSubmitSuccess = function(form) {

        //define the fields' labels
        var labelsArray = ['First Name', 'Last Name', 'Email'];

        //get the fields's values and store them in an array
        var encodedValsArray = labelsArray.map(function(e, i) {
            return $(form).find('input[name="' + base64_encode(e) + '"]').val();
        }).map(function(e, i) {
            return encodeURIComponent(e);
        });

        //get the redirect url
        var redirect_url = ijQuery(form).find('input[name="redirect"]').val();

        // Amend redirect url in form by adding fields from form

        ijQuery(form).find('input[name="redirect"]').val(redirect_url + '?name=' + encodedValsArray[0] + '%20' + encodedValsArray[1] + '&email=' + encodedValsArray[2]);
    }

</script>

window.instapageFormSubmitSuccess = function( form )
{
    // get values from form fields
    var search_string = ijQuery( form ).find( 'input[name="'+ base64_encode( 'replace with form field label' ) +'"]').val();
    var email = ijQuery( form ).find( 'input[name="'+ base64_encode( 'Email' ) +'"]').val();
    
    // Get the actual redirect url
    var redirect_url = ijQuery( form ).find( 'input[name="redirect"]' ).val();
    
    // Amend redirect url in form by adding fields from form
    ijQuery( form ).find( 'input[name="redirect"]' ).val( redirect_url + '?query='+ search_string + '&email='+ email );
   
}