var edition = navigator.appVersion.substring(0, navigator.appVersion.indexOf(' '));
   function servWindowBig(url) {
        if (navigator.appName == 'Netscape' && parseInt(edition) < 4){
popUpWin = window.open(url,'custserv','toolbar=no,location=0,directories=0,status=0,menubar=no,scrollbars=1,resizable=1,width=700,height=400');
        }else{
    popUpWin = window.open(url,'custserv','toolbar=no,location=0,directories=0,status=0,menubar=no,scrollbars=1,resizable=1,width=700,height=400');
        }
    if (navigator.appName == 'Netscape') {
            popUpWin.focus();
    }
}

             var edition = navigator.appVersion.substring(0, navigator.appVersion.indexOf(' '));
   function servWindowSmall(url) {
        if (navigator.appName == 'Netscape' && parseInt(edition) < 4){
popUpWin = window.open(url,'custserv','toolbar=no,location=0,directories=0,status=0,menubar=no,scrollbars=0,resizable=0,width=210,height=250');
        }else{
    popUpWin = window.open(url,'custserv','toolbar=no,location=0,directories=0,status=0,menubar=no,scrollbars=0,resizable=0,width=210,height=250');
        }
    if (navigator.appName == 'Netscape') {
            popUpWin.focus();
    }
}