How do I duplicate Facebook picture tagging functionality?

Posted by marcamillion on Stack Overflow See other posts from Stack Overflow or by marcamillion
Published on 2010-04-11T04:00:05Z Indexed on 2010/04/11 4:03 UTC
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I asked this question in another post - http://stackoverflow.com/questions/2597773/how-do-i-put-a-div-box-around-my-cursor-on-click

I got a wonderful answer. See the code below:

<script type="text/javascript">

$(document).ready(function() {
    $("#image-wrapper").click(function(e){
      var ele = $("<div>");
      ele.css({width:"50px", height:"50px", border:"1px solid green", position:"absolute", left: e.pageX - 25, top: e.pageY -25});
      $("body").append(ele);      
   }); 
  });
</script>

<div id="image-wrapper" style="border: 1px solid red; width: 300px; height: 200px;">
</div>

The issue I am having is that when I implement this snippet, on every click a box appears and stays there. So if I click on the image 10 times, I get 10 boxes. How do I get the previous box to disappear once I click somewhere else (i.e. have the box move to another place on the image (just like with Facebook Picture Tagging))?

Thanks.

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