Cod PHP:
<div id="container">
    <
img src="http://static.asiawebdirect.com/m/phuket/portals/phuket-com/homepage/island/naiharn-beach/pagePropertiesImage/naiharn-beach.jpg" onclick="change_image_with_iframe()">
</
div>
<
script>
function 
change_image_with_iframe()
{
    var 
container document.getElementById('container');
    
container.innerHTML '<iframe src="http://example.com/"></iframe>'
}
</script>
<style>
#container {
    width: 400px;
    height: 265px;
}
#container img,
#container iframe {
    width: 100%;
    height: 100%;
}
</style>