// hiding and showing the content Function, and hiding the semi-transparent image over the main image by calling one or the other divs. 
// Wondering if instead, I can change the z index on the fly? 
function appearDisappear() {
  		if (!document.getElementById) return false;
  		var secretObj = document.getElementById("content"); 
  	var bkgr = document.getElementById("contentbox"); 
  		if (secretObj.style.display == "block") {
    		secretObj.style.display = "none";
    		bkgr.style.display = "none";
  		} else {
    		secretObj.style.display = "block";
    		bkgr.style.display = "block";
 	}   
}