// Tree stuff

function treeNew (name, status) {
 var obj;

 obj = new Object ();
 obj.status = status;
 obj.name = name;
 obj.img = objGet ('tree_' + name + '_img');
 obj.div = objGet ('tree_' + name + '_contents');

 return obj;
}

function treeToggle (tree) {
 if (tree.status) {
  tree.status = 0;
  tree.img.src = IMGDIR + 't0.gif';
  tree.div.style.display = 'none';
 } else {
  tree.status = 1;
  tree.img.src = IMGDIR + 't1.gif';
  tree.div.style.display = 'block';
 }
}

function treeSet (tree, status) {
 if (tree.status != status) {
  treeToggle (tree);
 }
}