// original: $Id: toc.js,v 1.1 2006/04/03 21:53:15 nedjo Exp $

// Comments TOC version  by Ignas, 2006/05/12
//
// At the end of your tempate node.tpl.php place the line
//  <div class="pagetoc"></div> 
//
// At the begining of comment.tpl.php place 
// <div style="visibility:hidden;"><?php print "$author: $title";if ($comment->new) print "<span class=\"marker\"> new</span>" ?></div>
//



if (isJsEnabled()) {
  addLoadEvent(function() {
    var nodeDiv;
	var create;
    // Select all DIV elements
    divs = document.getElementsByTagName('div');
    for (var i = 0; div = divs[i]; ++i) {
      if (hasClass(div, 'pagetoc')) nodeDiv = div; // finds special div included in template node.tpl.php
	  if (hasClass(div, 'comment'))
	  {
		  create = true;
		  break;
	  }

    }
    if (create && nodeDiv) {
        var h3;
        var toc = document.createElement('fieldset');
        legend = document.createElement('legend');
        var a = document.createElement('a');
        a.href = '#';
        a.onclick = function() {
          toggleClass(this.parentNode.parentNode, 'collapsed');
          if (!hasClass(this.parentNode.parentNode, 'collapsed')) {
            collapseScrollIntoView(this.parentNode.parentNode);
          }
          this.blur();
          return false;
        };
        a.appendChild(document.createTextNode('contents'));
        legend.appendChild(a);
        toc.appendChild(legend);
        addClass(toc, 'collapsible');
        var ul = document.createElement('ul');		

		for (var i = 0; div = divs[i]; ++i) {		
			if (hasClass(div, 'comment')) {
				if (divs[i-2].style.marginLeft) marginLeft=parseInt(parseInt(divs[i-2].style.marginLeft)/2); 
					else marginLeft=0; //left margin values - stiling for nested comments
				var li = document.createElement('li');
				var ddiv = document.createElement('div');
				ddiv.style.marginLeft = marginLeft+'px';
				var children = divs[i-1].childNodes; //take all information from special DIV
				while (children.length)	li.appendChild(children[0]);
				ddiv.appendChild(li);				
				ul.appendChild(ddiv);							
			}
		}

		toc.appendChild(ul);
		nodeDiv.insertBefore(toc, nodeDiv.firstChild);
        collapseEnsureErrorsVisible(toc);

    }
  });
}