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

document.write("<STYLE TYPE='text/css'><!--")
if(mac){
		document.write(".t1{font-Size:10px; line-height:14px}")
		document.write(".t2{font-Size:12px; line-height:16px}")
}
else{
	if(ie){
		document.write(".t1{font-Size:11px; line-height:15px}")
		document.write(".t2{font-Size:12px; line-height:17px}")
	}
	else{
		document.write(".t1{font-Size:11px; line-height:16px}")
		document.write(".t2{font-Size:12px; line-height:18px}")
	}
}

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