Chercher un mot sur la liste

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<html>
<head>
	<title>Chercher un mot sur la liste | par NGLESSON</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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	<meta name="viewport" content="width=device-width, initial-scale=1">
	<meta name="keyword" content="Chercher un mot sur la liste">
	<meta name="author" content="Mezgani said">
	<meta name="copyright" content="NGLESSON">
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	<link href="style.css" rel="stylesheet" type="text/css">
</head>
<body class="container">
	<div class="row">
	    <div class="col-lg-6">
			<h2 class="text-left text-info">Mes contacts</h2>
			<div class="form-group input-group">
				<span class="input-group-addon"><i class="fa fa-search"></i></span>
				<input type="text" id="InputSearch" onkeyup="myFunction()" placeholder="Chercher un nom" class="form-control">
			</div>
			<br>
			<ul id="Lists">
			  <li><a href="#">Ahmed</a></li>
			  <li><a href="#">Mohammed</a></li>
			  <li><a href="#">Saadia</a></li>
			  <li><a href="#">Youssef</a></li>
			  <li><a href="#">Ali</a></li>
			  <li><a href="#">Amine</a></li>
			  <li><a href="#">Houda</a></li>
			  <li><a href="#">Said</a></li> 
			  <li><a href="#">Rachida</a></li>
			  <li><a href="#">Oumaima</a></li>
			  <li><a href="#">Youness</a></li>
			  <li><a href="#">Ibrahim</a></li>
			</ul>
			<br>
		</div>
	</div>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js"></script>
<script type="text/javascript" src="script.js"></script>
</body>
</html>
* {
    box-sizing: border-box;
  }
  
  #InputSearch {
    background-position: 10px 12px;
    background-repeat: no-repeat;
    width: 100%;
    font-size: 16px;
    padding: 12px 20px 12px 40px;
    border: 1px solid #ddd;
  }
  
  #Lists {
    list-style-type: none;
    padding: 0;
    margin: 0;
  }
  
  #Lists li a {
    border: 1px solid #ddd;
    margin-top: -1px; /* Prevent double borders */
    background-color: #f6f6f6;
    padding: 12px;
    text-decoration: none;
    font-size: 18px;
    color: black;
    display: block
  }
  
  #Lists li a:hover:not(.header) {
    background-color: #eee;
  }
function myFunction() {
    var input, filter, ul, li, a, i;
    input = document.getElementById("InputSearch");
    filter = input.value.toUpperCase();
    ul = document.getElementById("Lists");
    li = ul.getElementsByTagName("li");
    for (i = 0; i < li.length; i++) {
        a = li[i].getElementsByTagName("a")[0];
        if (a.innerHTML.toUpperCase().indexOf(filter) > -1) {
            li[i].style.display = "";
        } else {
            li[i].style.display = "none";

        }
    }
}