var totalWidth;
var incrWidth = 636;

function moveNext(dvMovie, aPrev, aNext, imgPrev, imgNext, flag)
{

    if (flag == 'PNA') { totalWidth = totalWidthPNA; } else if (flag == 'CBS') { totalWidth = totalWidthCBS; } else if (flag == 'CFI') { totalWidth = totalWidthCFI; };
    
    var dv = document.getElementById(dvMovie);
    var aP = document.getElementById(aPrev);
    var aN = document.getElementById(aNext);
    var imgP = document.getElementById(imgPrev);
    var imgN = document.getElementById(imgNext);
    var orgScrollOld = dv.scrollLeft;
    var orgScroll = dv.scrollLeft;
    while (orgScroll < (orgScrollOld + incrWidth))
    {
        dv.scrollLeft = dv.scrollLeft + 5;
        orgScroll = orgScroll + 5;
    }
    if (dv.scrollLeft > 0)
    {
        imgP.src = javascriptResolveUrl + "images/prev_enable.png";
    }
    if (dv.scrollLeft + incrWidth >= totalWidth)
    {
        imgN.src = javascriptResolveUrl + "images/next_disable.png";
    }
}

function movePrev(dvMovie, aPrev, aNext, imgPrev, imgNext, flag)
{
    if (flag == 'PNA') { totalWidth = totalWidthPNA; } else if (flag == 'CBS') { totalWidth = totalWidthCBS; } else if (flag == 'CFI') { totalWidth = totalWidthCFI; };
    
    var dv = document.getElementById(dvMovie);
    var aP = document.getElementById(aPrev);
    var aN = document.getElementById(aNext);
    var imgP = document.getElementById(imgPrev);
    var imgN = document.getElementById(imgNext);
    var orgScrollOld = dv.scrollLeft;
    var orgScroll = dv.scrollLeft;
    while (orgScroll > (orgScrollOld - incrWidth))
    {
        dv.scrollLeft = dv.scrollLeft - 5;
        orgScroll = orgScroll - 5;
    }
    if (dv.scrollLeft == 0)
    {
        imgP.src = javascriptResolveUrl + "images/prev_disable.png";
    }
    if (dv.scrollLeft - incrWidth < totalWidth)
    {
        imgN.src = javascriptResolveUrl + "images/next_enable.png";
    }
}