function resize(width,height) {
		resizeTo(width+27,height+27);
}
function crea_finestra(url,ample,llarg)	{
	carta=window.open(url, 'displayWindow', 'toolbar=0,location=0,directories=0,screenX=0,screenY=0,top=0,left=0,status=0,menubar=0,scrollbars=0,resizable=0,width=' + ample + ',height=' + llarg + '');
	carta.focus();
}