Rounded Corner for all browsers

http://jonraasch.com/blog/css-rounded-corners-in-all-browsers

For Others

.rounded-corners {
     -moz-border-radius: 20px;
    -webkit-border-radius: 20px;
    -khtml-border-radius: 20px;
    border-radius: 20px;
}

For IE

.rounded-corners {
    behavior: url(/css/border-radius.htc);
    border-radius: 20px;
}

IE supported file
http://code.google.com/p/curved-corner/downloads/detail?name=border-radius-demo.zip&can=2&q=