Show/Hide in javascript

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<a href="javascript:Show_('ename')">Show Content</a>
<div id="ename" style="display:none;">
<p>Javascript !</p>
<a href="javascript:Hide_('ename')">Hide Content</a>

<script>
function Hide_() {
document.getElementById('ename').style.display = "none";
}
function Show_() {
document.getElementById('ename').style.display = "block";
}
</script>
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