var Mac = navigator.appVersion.indexOf('Mac',0) != -1;
var Win = navigator.appVersion.indexOf('Win',0) != -1;
var IE = navigator.appName.indexOf("Microsoft",0) != -1;
var NN = navigator.appName.indexOf("Netscape",0) != -1;
var Moz = navigator.userAgent.indexOf("Gecko") != -1;
var Safari = navigator.userAgent.indexOf("Safari") != -1;
var iCab = navigator.appName.indexOf("iCab") != -1;
var Opera = window.opera?true:false;
var version = parseInt(navigator.appVersion.charAt(0));
var mversion = 0;
if (IE) { version += 1;}
if ((navigator.appVersion.indexOf('MSIE 6.',0) != -1) && Win) { version = 6;}
if ((navigator.appVersion.indexOf('MSIE 5.5',0) != -1) && Win) { mversion = 5;}
if ((navigator.appVersion.indexOf('MSIE 4.',0) != -1) && Mac) { version = 4;}
var MacIE = (Mac && IE)?true:false;

if (IE) {
 if (MacIE) {
  document.write('<link rel="stylesheet" type="text/css" href="./css/mie.css">');
 } else if (Win) {
  if (version >= 6) {
   document.write('<link rel="stylesheet" type="text/css" href="./css/wie6.css" charset="Shift_JIS">');
  } else if (version >= 5) {
   if (mversion == 5) {
    document.write('<link rel="stylesheet" type="text/css" href="./css/wie5.css" charset="Shift_JIS">');
   } else {
    document.write('<link rel="stylesheet" type="text/css" href="./css/wie5.css" charset="Shift_JIS">');
   }
  }
 }
} else if (Win && Netscape && Version=="4") {
	document.write('<LINK rel="stylesheet" href="../css/win_nn4.css" type="text/css">');
	}else if (Explorer && Mac && Version=="4") {
		document.write('<LINK rel="stylesheet" href="../css/keyword.css" type="text/css">');
		} else { document.write('<link rel="stylesheet" type="text/css" href="./css/other.css" charset="Shift_JIS">');
}