// -- to distinguish user's platform and brawser --
// -- mac --
if(navigator.appVersion.indexOf("Mac") > 1){
document.write('<LINK REL="Stylesheet" TYPE="text/css" href="../../shr/css/stlye_mac.css">');
}
else{
    // -- win IE--
    if(navigator.appName.charAt(0)=="M"){
    document.write('<LINK REL="Stylesheet" TYPE="text/css" href="../../shr/css/stlye_win_ie.css">');
    }
    //-- win NN--
    else{
    document.write('<LINK REL="Stylesheet" TYPE="text/css" href="../../shr/css/stlye_win_nn.css">');
    }
}