Hope the below helps
<button onclick="javascript:show(1)">One</button>
<button onclick="javascript:show(2)">Two</button>
<button onclick="javascript:show(3)">Three</button>
<div id="content1">content one</div>
<div id="content2" style="display:none">content two</div>
<div id="content3" style="display:none">content three</div>
<script>
function show(dv){
hideAll();
if(dv == '1'){
document.getElementById("content1").style.display = "block";
}else if(dv == '2'){
document.getElementById("content2").style.display = "block";
}else{
document.getElementById("content3").style.display = "block";
}
}
function hideAll(){
document.getElementById("content1").style.display = "none";
document.getElementById("content2").style.display = "none";
document.getElementById("content3").style.display = "none";
}
</script>