var os = navigator.platform;
var brName = navigator.appName.charAt(0);
var brVer = navigator.appVersion.charAt(0);
var brType ="";
if(os == "Win32"){
if((brName == "N") && (brVer >= 4)){
cssSrc = '<LINK REL="stylesheet" TYPE="text/css" HREF="file:///C|/&#31934;&#31070;&#31070;&#32076;&#23398;&#20250;/HP&#12522;&#12491;&#12517;&#12540;&#12450;&#12523;/css/win_nc.css">' ;
} else if((brName == "M") && (brVer >= 4)) {
cssSrc = '<LINK REL="stylesheet" TYPE="text/css" HREF="file:///C|/&#31934;&#31070;&#31070;&#32076;&#23398;&#20250;/HP&#12522;&#12491;&#12517;&#12540;&#12450;&#12523;/css/win_ie.css">' ;
}
} else if(os == "MacPPC"){
if((brName == "N") && (brVer >= 4)){
cssSrc = '<LINK REL="stylesheet" TYPE="text/css" HREF="file:///C|/&#31934;&#31070;&#31070;&#32076;&#23398;&#20250;/HP&#12522;&#12491;&#12517;&#12540;&#12450;&#12523;/css/mac_nc.css">' ;
} else if((brName == "M") && (brVer >= 4)) {
cssSrc = '<LINK REL="stylesheet" TYPE="text/css" HREF="file:///C|/&#31934;&#31070;&#31070;&#32076;&#23398;&#20250;/HP&#12522;&#12491;&#12517;&#12540;&#12450;&#12523;/css/mac_ie.css">' ;
}
}
document.write( cssSrc ) ;