var displayCSItem = 0;
var displayFSItem = 0;

$(document).ready(function() {

    //CASE STUDIES
    var casestudiesListCount = document.getElementById('m_datalistCSCountInput').value;
    var listCSCount = parseInt(casestudiesListCount);

    if (listCSCount == 0) {
        $('div.RelatedCSNoRelations').show();
    }
    else {

        //Hide First Previous Button
        $('div.RelatedCSItem0 .RelatedCSandFSContentRight .RelatedCSandFSNav .RelatedCSNavPrev').hide();
        //Hide Last Next Button
        $('div.RelatedCSItem' + (listCSCount - 1) + " .RelatedCSandFSContentRight .RelatedCSandFSNav .RelatedCSNavNext").hide();

        //Show Item 0
        ShowCSDisplayItem(displayCSItem);

        //Previous and Next Click Functions
        $('div.RelatedCSNavNext').click(function() {
            displayCSItem = displayCSItem + 1;
            var casestudiesListCount = document.getElementById('m_datalistCSCountInput').value;
            var listCSCount = parseInt(casestudiesListCount);
            for (var i = 0; i < listCSCount; i++) {
                $('div.RelatedCSItem' + i).hide();
            }
            ShowCSDisplayItem(displayCSItem);
        });

        $('div.RelatedCSNavPrev').click(function() {
            displayCSItem = displayCSItem - 1;
            var casestudiesListCount = document.getElementById('m_datalistCSCountInput').value;
            var listCSCount = parseInt(casestudiesListCount);
            for (var i = 0; i < listCSCount; i++) {
                $('div.RelatedCSItem' + i).hide();
            }
            //alert(displayCSItem);
            ShowCSDisplayItem(displayCSItem);
        });

    }

    //FACTSHEETS
    var factsheetsListCount = document.getElementById('m_datalistFSCountInput').value;
    var listFSCount = parseInt(factsheetsListCount);

    if (listFSCount == 0) {
        $('div.RelatedFSNoRelations').show();
    }
    else {

        //Hide First Previous Button
        $('div.RelatedFSItem0 .RelatedCSandFSContentRight .RelatedCSandFSNav .RelatedFSNavPrev').hide();
        //Hide Last Next Button
        $('div.RelatedFSItem' + (listFSCount - 1) + " .RelatedCSandFSContentRight .RelatedCSandFSNav .RelatedFSNavNext").hide();

        //Show Item 0
        ShowFSDisplayItem(displayFSItem);

        //Previous and Next Click Functions
        $('div.RelatedFSNavNext').click(function() {
            displayFSItem = displayFSItem + 1;
            var factsheetsListCount = document.getElementById('m_datalistFSCountInput').value;
            var listFSCount = parseInt(factsheetsListCount);
            for (var i = 0; i < listFSCount; i++) {
                $('div.RelatedFSItem' + i).hide();
            }
            ShowFSDisplayItem(displayFSItem);
        });

        $('div.RelatedFSNavPrev').click(function() {
            displayFSItem = displayFSItem - 1;
            var factsheetsListCount = document.getElementById('m_datalistFSCountInput').value;
            var listFSCount = parseInt(factsheetsListCount);
            for (var i = 0; i < listFSCount; i++) {
                $('div.RelatedFSItem' + i).hide();
            }
            ShowFSDisplayItem(displayFSItem);
        });
    }
});

//Hide/Show Function 
function ShowCSDisplayItem(displayCSItem)
{
    var casestudiesListCount = document.getElementById('m_datalistCSCountInput').value;
    var listCSCount = parseInt(casestudiesListCount);
    for (var i = 0; i < listCSCount; i++) {
        $('div.RelatedCSItem' + i).hide();
    }
    $('div.RelatedCSItem' + displayCSItem).show();
}

function ShowFSDisplayItem(displayFSItem) {
    var factsheetsListCount = document.getElementById('m_datalistFSCountInput').value;
    var listFSCount = parseInt(factsheetsListCount);
    for (var i = 0; i < listFSCount; i++) {
        $('div.RelatedFSItem' + i).hide();
    }
    $('div.RelatedFSItem' + displayFSItem).show();
}