if(navigator.appVersion.indexOf("Mac",0) != -1){
if(navigator.appName.indexOf("Microsoft",0) != -1){
if(navigator.appVersion.indexOf("MSIE 5",0) != -1){
/* mac ie 5 */
document.write("");
/* mac ie 4.5or4.01 */
}else if(navigator.appVersion.indexOf("MSIE 4.5",0) != -1 || navigator.appVersion.indexOf("MSIE 4.01",0) != -1){
document.write("");
/* mac etc */
}else{
document.write("");
}
/* win etc */
}else if(navigator.appVersion.indexOf("5.0",0) != -1){
document.write("");
/* win ie */
}else{
document.write("");
}
}else{
if(navigator.appVersion.indexOf("MSIE",0) != -1){
document.write("");
}else{
document.write("");
}
}