var items = new Array('a', 'b'); //ids of the slide menu elements
function closeAll(id) {
	for (var i=items.length-1; i>=0; i--) {
		if (items[i] != id) document.getElementById(items[i]).style.display='none';
	}
}

function toggle1(id) {
	if (!document.getElementById) return true;
	closeAll(id);
	elmt=document.getElementById(id);
	elmt.style.display=(elmt.style.display=='block')?'none':'block';

	return false;
}

function openFirst(id) {
	elmt = document.getElementById(id);
	elmt.style.display = 'block';
}