.en #nav ul li a {
  background-image: url(/assets/sprites/lang/en.png);
}

.en #nav_dev_center {
  background-position: -10px -9px;
  width: 130px; 
  height: 15px;
}
.en #nav_dev_center:hover {
  background-position: -10px -30px;
}
.devcenter #nav_dev_center,
.opensense #nav_dev_center,
.instruct #nav_dev_center,
.common #nav_dev_center,
.ccsample #nav_dev_center,
.s3d #nav_dev_center,
.s3dsample #nav_dev_center,
.tablet #nav_dev_center,
.pensample #nav_dev_center,
.rom #nav_dev_center {
  background-position: -10px -30px;
}

.en #nav_quick_start {
  background-position: -169px -9px;
  width: 78px; 
  height: 15px;
}
.en #nav_quick_start:hover {
  background-position: -169px -30px;
}
.resources #nav_quick_start,
.android #nav_quick_start,
.windows #nav_quick_start,
.faq #nav_quick_start,
.links #nav_quick_start,
.android_links #nav_quick_start {
  background-position: -169px -30px;
}