function ajax_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);
}

function top_videos_categorie(nb, categorie) {
	var top_videos = ajax_file("/index.php?g=top_videos_categorie&nb="+nb+"&c="+categorie);
	document.write(top_videos);
}

function top_videos_accueil(nb) {
	var top_videos = ajax_file("/index.php?g=top_videos_accueil&nb="+nb);
	document.write(top_videos);
}