browser_a = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 ));
browser_b = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ));

function GoToURL(URL)
{
        if (URL != "") self.location=URL
}

function popupLink(url, name, widgets)
{
	popupWin = window.open(url, name, widgets);
	popupWin.opener.top.name = "opener";

	if (browser_a || browser_b) popupWin.focus();
}