function uaeArea() {
    var dd = document.getElementById('basearea').value;

    if (dd == 1) {
	document.getElementById('uaears').style.display='none';
    } else {
	document.getElementById('uaears').style.display='block';
    }

}



function updateArea (e) {
document.getElementById('specareas').value = '';
for (var i=0; i<e.form.elements.length; i++){if (e.form.elements[i].type == 'checkbox' && e.form.elements[i].checked) {document.getElementById('specareas').value += e.form.elements[i].nextSibling.data; document.getElementById('specareas').value += ',\n';}};
}


function rangeSel() {
    var dr = document.getElementById('dternge').value;

    if (dr == 1) {
	document.getElementById('edrnge').style.display='none';
    } else {
	document.getElementById('edrnge').style.display='block';
    }

}