<script type="text/javascript" language="javascript">

	// making a 2-pane window pop up over the middle pictures
	function toggle(id) {
		var ele = document.getElementById(id);
		var tex = document.getElementById("text".id);
		if(ele.style.display == "block") {
	    	ele.style.display = "none";
			//tex.innerHTML = "Intro";
	  	}
		else {
			ele.style.display = "block";
			//tex.innerHTML = "Intro (hide)";
		}
	} 
</script>