") } var openDivs = []; function toggleDiv ( id, level ) { var div = document.getElementById( id ); if ( div.style.display == "block" ) div.style.display = "none"; else { if ( openDivs[level] ) openDivs[ level ].style.display = "none"; openDivs[ level || 0 ] = div; div.style.display = "block"; } } -->