//function to open webring

function release1(sitename) {

//if IE4 on Win then...

    if (navigator.appName == "Microsoft Internet Explorer" & navigator.appVersion.substring(0,1) == "4" & navigator.appVersion.indexOf("Win") != -1)  {

        Core = window.open(sitename,'_all','toolbar=1,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width=550,height=300')

// If IE3 on Win then...

    } else if (navigator.appName == "Microsoft Internet Explorer" & navigator.appVersion.substring(0,1) != "4" & navigator.appVersion.indexOf("Win") != -1)  {

        Core = window.open(sitename,'_all','toolbar=1,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width=550,height=300')

// If IE on Mac then...

    } else if (navigator.appName == "Microsoft Internet Explorer" & navigator.appVersion.indexOf("Mac") != -1)  {

        Core = window.open(sitename,'_all','toolbar=1,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width=550,height=300')

// If NS 3 or 4 then...

    } else if (navigator.appName == "Netscape" & navigator.appVersion.substring(0,1) >= "3")  {

        Core = window.open(sitename,'_all','toolbar=1,location=1,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width=550,height=300')

        Core.focus();

// If none of the above...

    } else {

                        alert ("You need to download Netscape 3.0 or later or IE 4.0.")

    }

}