function writediv(texte)
     {
     document.getElementById('favourite').innerHTML = texte;
     }

function verifFavoris(video_id,cat)
{
if(texte = file('ajax_favoris.php?video_id='+escape(video_id)+'&cat='+escape(cat)))
{
if(texte == 1)
writediv('<b style="color:#1A7917">déjà en favoris</b>');
else if(texte == 2)
writediv('<b style="color:#1A7917">Ajout effectué !</b>');
else
writediv('<b style="color:#1A7917">Connectez vous svp</b>');
}
}


function file(fichier)
     {
     if(window.XMLHttpRequest) // FIREFOX
          xhr_object = new XMLHttpRequest();
     else if(window.ActiveXObject) // IE
          xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
     else
          return(false);
     xhr_object.open("GET", fichier, false);
     xhr_object.send(null);
     if(xhr_object.readyState == 4) return(xhr_object.responseText);
     else return(false);
     }