{html}<style> 
.hidable{display:none;} 
</style> 
<script>{html}

{html}function showhide(section){ 
var ele=document.getElementById(section); 
if(ele.style.display!="block") { 
ele.style.display="block"; 
document.getElementById(section+"show").innerHTML = "Hide this design"; 
} else { 
ele.style.display="none"; 
document.getElementById(section+"show").innerHTML = "Show this design"; 
}}</script> 
{html}