.checkbox,.checkbox-inner,.checkbox-checked,.checkbox-unchecked,.checkbox-label{height: 16px; line-height: 16px;} 
.checkbox{ 
  text-decoration: none;
  display: inline-block;
  overflow: hidden;
  vertical-align: middle;
  cursor: pointer; 
  position: relative;
}
.checkbox-inner {
  display: inline-block;
  overflow: hidden;
  position: relative;
}
.checkbox-checked,
.checkbox-unchecked{
  position: relative;
  left: -1px;
  top: 0;
  float: left;
  width: 16px; 
  display: inline-block;
  text-align: center;
  font-size: 12px;
  background-image: url(images/checkbox.png);
}
.checkbox-checked {
  background-position: 0 0;
}
.checkbox-unchecked {
  background-position: -32px 0;
}
.checkbox-label{ padding: 0 5px;}

.checkbox-value {
  position: absolute;
  display: none;
}
.checkbox-disabled .checkbox-checked,
.checkbox-readonly .checkbox-checked{
  background-position: -16px 0;
}
.checkbox-disabled .checkbox-unchecked,
.checkbox-readonly .checkbox-unchecked{
  background-position: -48px 0;
}
.checkbox-disabled,
.checkbox-readonly {
  cursor: default;
}
.checkbox-disabled {
  opacity: 0.5;
  filter: alpha(opacity=50);
  cursor: url(images/disable.png), default;
}