function myPopvideo(la_video)
{
    var hautEcran = screen.availHeight;
    var largEcran = screen.availWidth;
    
    if(hautEcran >= 720)
    {
        hautEcran = 720;
    }
    if(largEcran >= 1280)
    {
        largEcran = 1280;
    }
    
    // -5%
    largEcran = largEcran - ((largEcran * 5) / 100);
    hautEcran = hautEcran - ((hautEcran * 5) / 100);
    
    window.open(la_video,'video','toolbar=0,menubar=0,location=0,scrollbars=0,directories=0,resizable=0,top=0,width='+largEcran+',height='+hautEcran);
}