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

document.write("<style type='text/css'><!--")
if(mac){
//for machintosh ie&ns4xabove/os9.2
document.write(".font3{font-size:9px;text-decoration:none}")
document.write(".font2{font-size:10px;text-decoration:none}")
document.write(".font1{font-size:12px;line-height:16px;text-decoration:none}")
document.write(".bfont3{font-size:9px;text-decoration:none;font-weight:bold}")
document.write(".bfont2{font-size:10px;text-decoration:none;font-weight:bold}")
document.write(".bfont1{font-size:12px;text-decoration:none;font-weight:bold}")
}
else{
if(ie){
//for windows ie4xabove?2000?me
document.write(".font3{font-size:10px;line-height:12px;text-decoration:none}")
document.write(".font2{font-size:11px;line-height:13px;text-decoration:none}")
document.write(".font1{font-size:12px;line-height:17px;text-decoration:none}")
document.write(".bfont3{font-size:10px;line-height:12px;text-decoration:none;font-weight:bold}")
document.write(".bfont2{font-size:11px;line-height:13px;text-decoration:none;font-weight:bold}")
document.write(".bfont1{font-size:12px;line-height:16px;text-decoration:none;font-weight:bold}")
}
else{
//for windows ns4xabove?2000?me
//font3 is same as size for font2.
document.write(".font3{font-size:11px;line-height:12px;text-decoration:none}")
document.write(".font2{font-size:11px;line-height:12px;text-decoration:none}")
document.write(".font1{font-size:12px;line-height:17px;text-decoration:none}")
document.write(".bfont3{font-size:10px;line-height:11px;text-decoration:none;font-weight:bold}")
document.write(".bfont2{font-size:11px;line-height:12px;text-decoration:none;font-weight:bold}")
document.write(".bfont1{font-size:12px;line-height:16px;text-decoration:none;font-weight:bold}")
}
}
document.write("--></style>");