// JavaScript Document
var openImg = new Image();
openImg.src = "images/stars/open.gif";  
var closedImg = new Image();
closedImg.src = "images/stars/closed.gif";
var openMnu = new Image();
openMnu.src = "images/right_side/exp.gif";
var closedMnu = new Image();
closedMnu.src = "images/right_side/inc_menu.gif";

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

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

function showBranch_blk( branch ){
    var objBranch = document.getElementById( '2panel1_'+branch ).style;
    if(objBranch.display=="none")
        objBranch.display="block";
	else objBranch.display="block";
		document.getElementById('2tab_'+branch).className  = 'active2';
}
function hideBranch_blk( branch ){
    var objBranch = document.getElementById( '2panel1_'+branch ).style;
    if(objBranch.display=="block")
        objBranch.display="none";
		document.getElementById('2tab_'+branch ).className  = 'passive';
}

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

function swapMenu(img){
	objImg = document.getElementById(img);
	if(objImg.src.indexOf('exp.gif')>-1)
		objImg.src = closedMnu.src;
	else
		objImg.src = openMnu.src;
}
function closeMenu(img){
	objImg = document.getElementById(img);
	if(objImg.src.indexOf('inc_menu.gif')>-1)
		objImg.src = openMnu.src;
}

function hideMenu(branch){
    var objBranch = document.getElementById(branch).style;
    if(objBranch.display=="block")
        objBranch.display="none";    
}
function closeFolder(img){
    objImg = document.getElementById(img);
    if(objImg.src.indexOf('images/stars/open.gif')>-1)
		objImg.src = closedImg.src;

}
function calcHeight()
{
  //find the height of the internal page
  the_height= document.getElementById('poll_frm').contentWindow.
      document.body.scrollHeight;
  //change the height of the iframe
  document.getElementById('poll_frm').height= the_height;
}