function openwin510x430(val) {
 var winFeatures = 'width=510,height=430,scrollbars=no,resizable=no';
 win = open(val,'win510x430',winFeatures);
 if (parseInt(navigator.appVersion) == 2 && (navigator.appVersion.indexOf('Mac') != -1)) {win = open(val,'win510x430',winFeatures)}
 if (!(self.opener)) {win.opener = top.self;}
}