function presse(spec, options) {
		var largeur = 820;
		var hauteur = 670;

		var top = (screen.height-hauteur)/2;
		var left = (screen.width-largeur)/2;
		window.open("presse.php?id="+spec,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+",scrollbars=1, "+options);
	}