function getBrowserName()
{
    var aName  = navigator.appName.toUpperCase();
    var uName = navigator.userAgent.toUpperCase();
    if (uName.indexOf("SAFARI") >= 0)  return "Safari";
    if (aName.indexOf("NETSCAPE") >= 0)  return "Netscape";
    if (aName.indexOf("MICROSOFT") >= 0) return "Explorer";
    return "";
}
function getBrowserVersion()
{
	var browser = getBrowserName();
	var version = 0;
	var s = 0;
	var e = 0;
	var appVer  = navigator.appVersion;
	if (browser == "Netscape")
	{
		s = appVer.indexOf(" ",0);
		version = eval(appVer.substring(0,s));
		if (version >= 5) version++;
	}
	if (browser == "Explorer")
	{
		appVer  = navigator.userAgent;
		s = appVer.indexOf("MSIE ",0) + 5;
		e = appVer.indexOf(";",s);
		version = eval(appVer.substring(s,e));
	}
	return version;
}

browser = getBrowserName();
version = getBrowserVersion();
	var ie = (navigator.appName=="Microsoft Internet Explorer");
 var sf = (browser == "Safari") ;
var nsx = ((browser == "Netscape")&&(version >= 4)&&(version < 5));
 var ns = ((browser == "Netscape")&&(version >= 5));
 var Mac = (navigator.appVersion.indexOf("Mac") != -1);

if (Mac) {
if (ie) style="css_jp.css";
if (sf) style="css_jp.css";
if (nsx) style="ns4_jp.css";
if (ns) style="css_jp.css";

} else {
if (ie) style="css_jp.css";
if (nsx) style="ns4_jp.css";
if (ns) style="css_jp.css";
 }
document.write('<link type="text/css" rel="stylesheet" href="'+url+style+'">');