this.window.name="topwindow";
function open_foto(url,width,height) {
    var newswindow = '';
    if (!newswindow.closed && newswindow.location) {
	newswindow.location=url;
        newswindow.focus();
    } else {
        newswindow=window.open(url , 'foto','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=no,width='+width+',height='+height+'');
    }
    if (!newswindow.opener) {
       newswindow.opener = self;
    }
    if (window.focus) {
       newswindow.focus();
    }
    return false;
}