Corner is a simple plugin for creating rounded (or other styled) corners on elements.
// default 10px round corner
$('#myDiv').corner();
// 30px round corner
$('#myDiv').corner('30px');
// 15px bevel corner
$('#myDiv').corner('15px bevel');
// dogeared top right corner
$('#myDiv').corner('dog tr');
// sharp corners on bottom
$('#myDiv').corner('sharp bottom');