function blowserSniffer(){
	
	gnUA = navigator.userAgent;

	Win = ( gnUA.indexOf("Win",0) != -1 );
	Mac = ( gnUA.indexOf("Mac",0) != -1 );

	IE = ( gnUA.indexOf("MSIE",0) != -1 );
	IE5 = ( gnUA.indexOf("MSIE 5",0) != -1 );
	IE6 = ( gnUA.indexOf("MSIE 6",0) != -1 );
	Safari = ( gnUA.indexOf("Safari",0) != -1 );

	if ( navigator.appName == "Netscape" && navigator.appVersion.substr(0,2) == "4." ) { NN4 = true; }
	else { NN4 = false; }
	
	NS = ( gnUA .indexOf("Netscape") != -1);
	NS6 = ( gnUA .indexOf("Netscape6") != -1);
	NS7 = ( gnUA .indexOf("Netscape7") != -1);
	
	Mozilla  = ( gnUA.indexOf("Gecko") != -1 );
	
	Opera  = ( gnUA.match(/Opera/) != null );
	Opera6  = ( gnUA.match(/Opera.6/) != null );


	cssFileName = "font_standard.css";
	if( Win && Mozilla ) { cssFileName = "font_wmoz.css";}
	if( Win && IE ) { cssFileName = "font_wie.css"; }
/*	if( Mac && NS ) { cssFileName = "font_mns.css"; } */
	if( Win && NS ) { cssFileName = "font_wmoz.css"; }/* Mozilla,Firefox,Netscape6 はすべて wmozで*/
	if( Win && NN4 ) { cssFileName = "font_wnn4.css";}
	if( Win && Opera ) { cssFileName = "font_wop.css";} 
/*	if( Win && Opera ) { cssFileName = "font_wie.css";} Internet Explorer,Opera は ie*/

	if( Mac && Mozilla ) { cssFileName = "font_mmoz.css";}
	if( Mac && IE ) { cssFileName = "font_mie.css"; }
/*	if( Mac && NS ) { cssFileName = "font_mns.css"; } */
	if( Mac && NS ) { cssFileName = "font_mmoz.css"; }/* Mozilla,Firefox,Netscape6,Netscape7 はすべて wmozで*/
	if( Mac && NN4 ) { cssFileName = "font_mnn4.css";}
/*	if( Mac && Opera ) { cssFileName = "font_mop.css";} */
	if( Mac && Opera ) { cssFileName = "font_mie.css";} /* Internet Explorer,Opera は ie*/
	if( Mac && Safari ) { cssFileName = "font_msaf.css";}
	
/*	document.write(cssFileName); 振り分け確認*/
	document.write('<link type="text/css" rel="stylesheet" href="../css/' + cssFileName + '">');

}

blowserSniffer();