// based on JK's DOM scripting image slide show function
function showSidebar(whichsidebar) {
	var source = whichsidebar.getAttribute("href");
	var placeholder = document.getElementById("placeholder");  // the default image showing when the page loads
	placeholder.setAttribute("src", source);
	
	if(!document.getElementById("runcursor"))  return false;
	var message = document.getElementById("runcursor");
	message.style.display = 'none'; // hide hover text message
	
	if(!document.getElementById("prod-thumbs"))  return false;
	var thumbs = document.getElementById("prod-thumbs");  
	thumbs.style.display = 'none';  // hide thumbs

	if(!document.getElementById("dothis"))  return false;
	var clickthumb = document.getElementById("dothis");
	clickthumb.style.display = 'none'; // hide image title text
	}