Js loads the read content and shows and hides the div example
<head><script>function check(){var num = document.getElementById("choose").value;alert(num);if(num=="4"){document.getElementById("show").style.display="block";}else{document.getElementById("show").style.display="none";}}</script></head><body onload="check()"><select id="choose" onchange="check()"><option value="1"> The first </option><option value="2"> The second </option><option value="3"> The third </option><option value="4"> The fourth </option></select><div id="show" style="display:none;"><table><tr><td> Where there is a will, there is a way </td><td> God pays those who help themselves </td></tr></table></div></body>