function toggleTable(el){ 
var myelement = document.getElementById(el);
show = true;
if (myelement.style.display == '') 
show = false; 
document.getElementById('switcher').innerHTML = "<img src='_img/open.gif' border='0' style='margin-right:3px;vertical-align:middle;'>Sitemap"
if (show == true) {
myelement.style.display = '';
document.getElementById('switcher').innerHTML = "<img src='_img/close.gif' border='0' style='margin-right:3px;vertical-align:middle;'>Sitemap"
}
if (show == false) {
myelement.style.display = 'none';
document.getElementById('switcher').innerHTML = "<img src='_img/open.gif' border='0' style='margin-right:3px;vertical-align:middle;'>Sitemap"
}
}