var timerlen = 5;
var slideAniLen = 250;

var timerID = new Array();
var startTime = new Array();
var obj = new Array();
var endHeight = new Array();
var moving = new Array();
var dir = new Array();

function slidedown(objname, lnkname){
        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display != "none") {
                slideup(objname, lnkname); // cannot slide down something that is already visible
           }
        else { 
            document.getElementById(lnkname).className='NewTopHeaderSelected'; 
            if (objname == 'mydiv6') {
                if (document.getElementById('ctl00_UcHeader1_UcDailyArchive1_rightBannerSrc') == null)   {
                    document.getElementById('UcHeader1_UcDailyArchive1_rightBannerSrc').src = 'http://banners.news1.co.il/ShowBanner.aspx?Target=10';
              }
              else     {
                    document.getElementById('ctl00_UcHeader1_UcDailyArchive1_rightBannerSrc').src = 'http://banners.news1.co.il/ShowBanner.aspx?Target=10';
              }  
            } 
            if (objname == 'mydiv2') {
                if (document.getElementById('ctl00_UcHeader1_ucUseLinks1_rightBannerSrc') == null)   {
                    document.getElementById('UcHeader1_ucUseLinks1_rightBannerSrc').src = 'http://banners.news1.co.il/ShowBanner.aspx?Target=10';
              }
              else     {
                    document.getElementById('ctl00_UcHeader1_ucUseLinks1_rightBannerSrc').src = 'http://banners.news1.co.il/ShowBanner.aspx?Target=10';
              }  
            }
           if (objname == 'mydiv3') {
                if (document.getElementById('ctl00_UcHeader1_ucTopNews1_rightBannerSrc') == null)   {
                    document.getElementById('UcHeader1_ucTopNews1_rightBannerSrc').src = 'http://banners.news1.co.il/ShowBanner.aspx?Target=10';
              }
              else     {
                    document.getElementById('ctl00_UcHeader1_ucTopNews1_rightBannerSrc').src = 'http://banners.news1.co.il/ShowBanner.aspx?Target=10';
              }  
            } 
           if (objname == 'mydiv4') {
                if (document.getElementById('ctl00_UcHeader1_ucTopRecNews1_rightBannerSrc') == null)   {
                    document.getElementById('UcHeader1_ucTopRecNews1_rightBannerSrc').src = 'http://banners.news1.co.il/ShowBanner.aspx?Target=10';
              }
              else     {
                    document.getElementById('ctl00_UcHeader1_ucTopRecNews1_rightBannerSrc').src = 'http://banners.news1.co.il/ShowBanner.aspx?Target=10';
              }  
            } 
           if (objname == 'mydiv5') {
                if (document.getElementById('ctl00_UcHeader1_ucTopSiteIndex1_rightBannerSrc') == null)   {
                    document.getElementById('UcHeader1_ucTopSiteIndex1_rightBannerSrc').src = 'http://banners.news1.co.il/ShowBanner.aspx?Target=10';
              }
              else     {
                    document.getElementById('ctl00_UcHeader1_ucTopSiteIndex1_rightBannerSrc').src = 'http://banners.news1.co.il/ShowBanner.aspx?Target=10';
              }  
            }  
            moving[objname] = true;
            dir[objname] = "down";
            startslide(objname);
       } 
}

function slideup(objname, lnkname){
        if(moving[objname])
                return;

        if(document.getElementById(objname).style.display == "none")
                return; // cannot slide up something that is already hidden

        document.getElementById(lnkname).className='NewTopHeader';
        moving[objname] = true;
        dir[objname] = "up";
        startslide(objname);
}

function startslide(objname){
        obj[objname] = document.getElementById(objname);

        endHeight[objname] = parseInt(obj[objname].style.height);
        startTime[objname] = (new Date()).getTime();

        if(dir[objname] == "down"){
                obj[objname].style.height = "1px";
        }

        obj[objname].style.display = "block";

        timerID[objname] = setInterval('slidetick(\'' + objname + '\');',timerlen);
}

function slidetick(objname){
        var elapsed = (new Date()).getTime() - startTime[objname];

        if (elapsed > slideAniLen)
                endSlide(objname)
        else {
                var d =Math.round(elapsed / slideAniLen * endHeight[objname]);
                if(dir[objname] == "up")
                        d = endHeight[objname] - d;

                obj[objname].style.height = d + "px";
        }

        return;
}

function endSlide(objname){
        clearInterval(timerID[objname]);

        if(dir[objname] == "up")
                obj[objname].style.display = "none";

        obj[objname].style.height = endHeight[objname] + "px";

        delete(moving[objname]);
        delete(timerID[objname]);
        delete(startTime[objname]);
        delete(endHeight[objname]);
        delete(obj[objname]);
        delete(dir[objname]);

        return;
}