////
// Additional Javascript to change Transmenus behavior for table of contents (vs collection composer)
// (we expect this to be called on load after transmenus is loaded, but before any of it is called)
////

// change default behavior from expanded to collapsed
org.archomai.transMenus.Persist.defaultExpanded = false

// change cookie name to avoid conflict with collection composer use
org.archomai.transMenus.Persist.cookiename = "table_of_contents"

// change the ToC twisty widget images to arrows
org.archomai.transMenus.collapsibleMenuImages =
{
	openImage : "images/downArrow.gif" ,
	closedImage : "images/rightArrow.gif",
	height : "9px",
	width : "9px",
	space : "0px",
	moveLeft : "13px"
}

// new namespace for new stuff
if (!org.archomai.transMenus.toc) {
	org.archomai.transMenus.toc= {};
}

// similar to ExpandMenu, make ToC headers clickable-expandable
org.archomai.transMenus.toc.ExpandMenuHeader = function(e)
{
	var eventTarget = (document.all) ? event.srcElement : e.target;
	var subMenu = eventTarget.parentNode.getElementsByTagName('ul')[0].id;
	if (subMenu) {
		org.archomai.transMenus.MenuRegistry[subMenu].HandleMouseDown();
		if (document.all) event.cancelBubble = true;
		if (e && !document.all) e.stopPropagation();
	}
} ;

// open (without persisting) all nodes containing the current section
// meant to be run onload
org.archomai.transMenus.toc.openCurrent = function(id) {
	// borrows closely from HandleMouseDown in TransMenus
	for (var x = 0; x < org.archomai.transMenus.highlight.length; x++) {
		var elt = document.getElementById(org.archomai.transMenus.highlight[x]);
		if (elt.style.display == 'none') {     // hidden... open without persisting
			elt.parentNode.childNodes[2].className='cnx_chapter_header';  // undo cnx_current from initHighlight
			elt.style.display='block';
			elt.parentNode.firstChild.setAttribute('src', org.archomai.transMenus.collapsibleMenuImages.openImage);
			elt.gentle = 'true';  // IE flaky on .[set|remove|has]Attribute
		} // else: already open (due to cookie load state)... leave alone
	}
} ;

// on load, set the cookie if you don't have it already, so we can reduce ToC flicker
// (the template looks for a cookie as proof it can do at-render expand/contract)
org.archomai.transMenus.toc.initCookie = function(id) {
	if (org.archomai.transMenus.Persist.cookiename != null) {
		var allcookies = document.cookie;
		var pos = allcookies.indexOf(org.archomai.transMenus.Persist.cookiename + "=");
		if (pos == -1) {  // no cookie
			org.archomai.transMenus.Persist.setState();
		}
	}
}

// onload operations for Table of Contents
org.archomai.transMenus.toc.tocInit = function(id) {
	org.archomai.transMenus.toc.openCurrent()
	//setTimeout('org.archomai.transMenus.toc.openCurrent()', 800);  // "animation"
	org.archomai.transMenus.toc.initCookie();
}

// register onload events
if (org.archomai.transMenus.standards)
{
	if (window.addEventListener) {
		window.addEventListener("load",org.archomai.transMenus.toc.tocInit,true);
	} else if (window.attachEvent){
		window.attachEvent("onload",org.archomai.transMenus.toc.tocInit);
	}
}