// JScript
/**********************/
//author: Ronio 1/2/2008
/**********************/
function Init(currentPageName)
{
    document.getElementById(currentPageName).value = 0;
}
function FirstPage(imgName,currentPageName,totalPages,displayName)
{
    HowToShowPic(imgName,0,totalPages,displayName);
    document.getElementById(currentPageName).value=0;
}

function PreviousPage(imgName,currentPageName,totalPages,displayName)
{
    var currentPage = document.getElementById(currentPageName).value;
    if(currentPage > 0)
    {
        currentPage--;
        HowToShowPic(imgName,currentPage,totalPages,displayName);
    }
    document.getElementById(currentPageName).value = currentPage;
}

function NextPage(imgName,currentPageName,totalPages,displayName)
{
    currentPage = document.getElementById(currentPageName).value;
    if(currentPage < totalPages-1)
    {
        currentPage++;
        HowToShowPic(imgName,currentPage,totalPages, displayName);
    }
    document.getElementById(currentPageName).value = currentPage;
}

function LastPage(imgName,currentPageName,totalPages,displayName)
{
    HowToShowPic(imgName,totalPages-1,totalPages,displayName);
    document.getElementById(currentPageName).value = totalPages - 1;
}

function HowToShowPic(name,showPage,totalPages,displayName)
{
    document.getElementById(displayName).value=(showPage+1) +"/"+totalPages;
    for(var i=0;i<totalPages;i++)
    {
        var n = document.getElementById(name+i);
        if(i == showPage)
        {
            n.style.display = '';
        }
        else
            n.style.display = 'none';
    }
}