function openwindow(x1,y1,file,nom)
{	var floater = null;
	var chaine = 'width='+x1+',height='+y1+',toolbars=no,location=no,directories=no,status=no,menubar=no,resizable=no,scrollbars=no';
	floater=window.open(file,nom,chaine);
	floater.moveTo(((screen.width / 2) - (x1 / 2)), ((screen.height / 2) - (y1 / 2)));
}

function openwindowscroll(x1,y1,file,nom)
{	var floater = null;
	var chaine = 'width='+x1+',height='+y1+',toolbars=no,location=no,directories=no,status=no,menubar=no,resizable=no,scrollbars=yes';
	floater=window.open(file,nom,chaine);
	floater.moveTo(((screen.width / 2) - (x1 / 2)), ((screen.height / 2) - (y1 / 2)));
}

function openwindow_full(fichier,nom)
{	var floater = null;
	var chaine = 'width='+(screen.width)+',height='+(screen.height+10)+',toolbars=no,location=no,directories=no,status=no,menubar=no,resizable=no,scrollbars=no';
	floater=window.open(fichier,nom,chaine);
	floater.moveTo(-4,-25);
}