if (navigator.platform.charAt(0) == "M"){
if (navigator.appName == "Netscape"){ // Mac Netscape
document.write('');
document.close();
}
if(navigator.appName.charAt(0) == "M"){ // Mac IE
if(navigator.appVersion.indexOf("5.0;",0)!= -1){
document.write('');
document.close();
}else{
document.write('');
document.close();
}
}
}
if (navigator.platform.charAt(0) == "W"){
if (navigator.appName == "Netscape"){ // windows Netscape
document.write('');
document.close();
}
if(navigator.appName.charAt(0) == "M"){ // windows IE
document.write('');
document.close();
}
}