javascript - displaying image onclick working fine, but how do I hide it on click again -


so have html , javascript code pops image on click of button, , working fine. when image pops up.. cannot close wherever click in page. there javascript function allow un-display on click again

here code 

	<script type="text/javascript">  function openimage(){      document.getelementbyid('loadingimage').style.visibility="visible";  }  </script>
#button {    -webkit-border-radius: 28;    -moz-border-radius: 28;    border-radius: 28px;    font-family: arial;    color: #ffffff;    font-size: 20px;    background: transparent;    border: solid #ffffff 2px;    text-decoration: none;  }
<button id="button" onclick="openimage();">get started</button>  <img id="loadingimage" src="png/module.png" style="visibility:hidden"/>

function openimage(){ if ( document.getelementbyid('loadingimage').style.visibility == "visible" ) {     document.getelementbyid('loadingimage').style.visibility="hidden"; } else {    document.getelementbyid('loadingimage').style.visibility="visible"; }

(for sake of clarity , debugging, might want change function name openimage() toggleimage() )


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