css sprites for dynamic images using php -


my application uses php connects database image file names & they loaded web page. i'be upto 200 images slows page. how can use css sprites dynamically generated images & everytime add new image can't genrate css sprites images. how can load these images faster (i'm using image compression techniques) 

<?php echo "<style>      .bg {           background-image: url ($image);      } </style>";  echo "<div class='bg'>  content </div>"; ?>

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