<!DOCTYPE html>
<html>
<head>
<style>
#div1
{
position: relative;
height: 200px;
width: 200px;
margin: 50px;
padding:10px;
border: 1px solid black;
}
#div2
{
padding:50px;
position: absolute;
border: 1px solid black;
background-color: red;
transform: rotateY(70deg);
transform-origin:50% 50% 100px;
-webkit-transform: rotateY(70deg);
-webkit-transform-origin:50% 50% 100px;
}
</style>
<script>
function changeRot(value)
{
document.getElementById('div2').style.transform="rotateY(" + value + "deg)";
document.getElementById('div2').style.webkitTransform="rotateY(" + value + "deg)";
document.getElementById('div2').style.MozTransform="rotateY(" + value + "deg)";
document.getElementById('div2').style.OTransform="rotateY(" + value + "deg)";
document.getElementById('persp').innerHTML=value + "deg";
}
function changeOrg()