mac=(navigator.appVersion.indexOf('Mac')!=-1)?true:false;
ie=(navigator.appName.charAt(0) == "M")?true:false;

document.write("<STYLE TYPE='text/css'><!--")

if(mac){
		//MAC IE NS
		document.write(".normal{font-Size:12px; line-height:16px}")
		document.write(".small{font-Size:10px; line-height:12px}")
		document.write(".medium{font-Size:14px; line-height:18px}")
		document.write(".big{font-Size:18px; line-height:20px}")
		document.write(".sp{font-Size:11px; line-height:13px}")
}
else{
	if(ie){
		//WIN IE
		document.write(".normal{font-Size:12px; line-height:16px}")
		document.write(".small{font-Size:10px; line-height:12px}")
		document.write(".medium{font-Size:14px; line-height:18px}")
		document.write(".big{font-Size:16px; line-height:20px}")
		document.write(".sp{font-Size:12px; line-height:13px}")
	}
	else{
		//WIN NS
		document.write(".normal{font-Size:12px; line-height:16px}")
		document.write(".small{font-Size:11px; line-height:12px}")
		document.write(".medium{font-Size:15px; line-height:18px}")
		document.write(".big{font-Size:16px; line-height:20px}")
		document.write(".sp{font-Size:12px; line-height:12px}")
	}
}

document.write("--></STYLE>");