function openwin (divid) {
		olddivid = document.getElementById('opendiv').value;
	
	if (divid == olddivid) closewin();
	else {
		document.getElementById('opendiv').value = divid;
		document.getElementById('textbox').style.visibility = 'visible';	
		document.getElementById(divid + '-div').style.visibility = 'visible';
		if (olddivid) {
			document.getElementById(olddivid + '-div').style.visibility = 'hidden';
			document.getElementById(olddivid + '-div').scrollTop = 0;
		}
	}
	document.getElementById('textbox').scrollTop = 0;
}

function closewin () {
	olddivid = document.getElementById('opendiv').value;
	if (olddivid) document.getElementById(olddivid + '-div').style.visibility = 'hidden';
	document.getElementById('textbox').style.visibility = 'hidden';
	document.getElementById('opendiv').value = '';
}