/* Tree view */

var openImg = new Image();
openImg.src = "/images/minus.gif";
var closedImg = new Image();
closedImg.src = "/images/plus.gif";

function showBranch(branch) {
   var objBranch = 
      document.getElementById(branch).style;
   if(objBranch.display=="block")
      objBranch.display="none";
   else
      objBranch.display="block";
}

function swapFolder(img) {
   objImg = document.getElementById(img);
   if(objImg.src.indexOf('/images/plus.gif')>-1)
      objImg.src = openImg.src;
   else
      objImg.src = closedImg.src;
}