How can I reset the two image selections, or all of them if there are more, to the 1st image with one action?
<button class="tablinks" onclick="changeImage('01.jpg', '#bannerImage_(all???)')">reset</button>
</head>
<body>
<div class="tab">
<button class="tablinks" onclick="openCity(event, 'left')">left</button>
<button class="tablinks" onclick="openCity(event, 'right')">right</button>
</div>
<div id="left" class="tabcontent">
<img id="bannerImage_left" src="01.jpg">
<img src="01_thumb.jpg" onclick="changeImage('01.jpg', '#bannerImage_left')" style="cursor:pointer; margin-left:40px; margin-right:40px">
<img src="02_thumb.jpg" onclick="changeImage('02.jpg', '#bannerImage_left')" style="cursor:pointer; margin-right:40px">
<img src="03_thumb.jpg" onclick="changeImage('03.jpg', '#bannerImage_left')" style="cursor:pointer; margin-right:40px">
</div>
<div id="right" class="tabcontent">
<img id="bannerImage_right" src="01.jpg" "">
<img src="01_thumb.jpg" onclick="changeImage('01.jpg', '#bannerImage_right')" style="cursor:pointer; margin-left:40px; margin-right:40px">
<img src="02_thumb.jpg" onclick="changeImage('02.jpg', '#bannerImage_right')" style="cursor:pointer; margin-right:40px">
<img src="03_thumb.jpg" onclick="changeImage('03.jpg', '#bannerImage_right')" style="cursor:pointer; margin-right:40px">
</div>
<div>
<button class="tablinks" onclick="changeImage('01.jpg', '#bannerImage_(all???)')">reset</button>
</div>
<script>