function changeflvfile(flvURL, cat, categorie, file, titre){
		var flvURL = "../../ressources/" + flvURL
		document.getElementById("myFlash").SetVariable("player:jsStop", "");
		document.getElementById("myFlash").SetVariable("player:jsUrl", flvURL);
		document.getElementById("myFlash").SetVariable("player:jsPlay", "");
		
	    var xhr=null;
	    if (window.XMLHttpRequest) { 
	        xhr = new XMLHttpRequest();
	    }
	    else if (window.ActiveXObject) 
	    {
	        xhr = new ActiveXObject("Microsoft.XMLHTTP");
	    }

	    //on appelle le fichier reponse.txt
	    xhr.open("GET", "http://www.cadware-utilities.fr/index.php/ressources/default/videoclick?cat=" + cat +"&file=" + file +"&categorie=" + categorie+"&titre=" + titre, true);
	    xhr.send(null);
	}