function changeVideoBackGround(td, e, vid, ext){
    var tdBackGround,divDisplay,spanBaslikClass,spanSpotClass,imgDisplay;
    if(e == 'over'){
        switch(ext){
            case 'PL':
                tdBackGround    = 'video2009_vidi_bg2';
                divDisplay      = '';
                spanBaslikClass = 'video2009_slink2';
                spanSpotClass   = 'video2009_link2';
                imgDisplay      = 'none';
                break;
            case 'SG':
                tdBackGround    = 'video2009_other_bg2';
                divDisplay      = '';
                spanBaslikClass = 'video2009_slink2';
                spanSpotClass   = 'video2009_link2';
                imgDisplay      = 'none';
                break;
            case 'NV':
                tdBackGround    = 'video2009_other_bg2';
                divDisplay      = '';
                spanBaslikClass = 'video2009_slink2';
                spanSpotClass   = 'video2009_link2';
                imgDisplay      = 'none';
                break;
            case 'MRV':
            case 'MWV':
                tdBackGround    = 'video2009_other_bg2';
                divDisplay      = '';
                spanBaslikClass = 'video2009_other_sub2';
                spanSpotClass   = 'video2009_other_spot2';
                imgDisplay      = 'none';
                break;
        }
    }else{
        switch(ext){
            case 'PL':
                tdBackGround    = 'video2009_vidi_bg';
                divDisplay      = 'none';
                spanBaslikClass = 'video2009_slink';
                spanSpotClass   = 'video2009_link';
                imgDisplay      = '';
                break;
            case 'SG':
                tdBackGround    = 'video2009_other_bg';
                divDisplay      = 'none';
                spanBaslikClass = 'video2009_other_sub';
                spanSpotClass   = 'video2009_other_spot';
                imgDisplay      = '';
                break;
            case 'NV':
                tdBackGround    = 'video2009_other_bg';
                divDisplay      = 'none';
                spanBaslikClass = 'video2009_other_sub';
                spanSpotClass   = 'video2009_other_spot';
                imgDisplay      = '';
                break;
            case 'MRV':
            case 'MWV':
                tdBackGround    = 'video2009_other_bg';
                divDisplay      = 'none';
                spanBaslikClass = 'video2009_other_sub';
                spanSpotClass   = 'video2009_other_spot';
                imgDisplay      = '';
                break;
        }
    }
    td.className = tdBackGround;
 
    elmnt('spanBaslik' + ext + '_' + vid).className     = spanBaslikClass;
    elmnt('spanSpot'   + ext + '_' + vid).className     = spanSpotClass;
    elmnt('dv'         + ext + '_' + vid).style.display = divDisplay;
    //elmnt('img'        + ext + '_' + vid).style.display = imgDisplay;
}
function elmnt(s){
    return document.getElementById(s);
}