function ShowHideLayer(boxID) {

	var box = document.getElementById("box"+boxID);
	//var boxbtn = document.getElementById("btn"+boxID);
	/* If the selected box is currently invisible, show it */
	if(box.style.display == "none" || box.style.display=="") {
		box.style.display = "block";
 		//boxbtn.src = "images/collapse.png";
	}
	/* otherwise hide it */
	else {
		box.style.display = "none";
		//boxbtn.src = "images/expand.png";
	}
}