browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);
OpMac=navigator.appVersion.indexOf("Mac");
OpWin=navigator.appVersion.indexOf("Win");

if(OpMac != -1 && browser_name=="Netscape"){
document.write('<style>.select_sub {margin-top:-116px;}</style>');
}

else if(OpWin != -1 && browser_name=="Netscape"){
document.write('<style>.select_sub {margin-top:-124px;}</style>');
}