// Used in Article Directory Module (Journey Main Page)

var artDirItems = new Array();
var artDirItemsShow = new Array();
function artDirExpandable() {
	if (document.getElementById && document.getElementsByTagName) {
		var dek = document.getElementById('artDirDek');
		if (dek) dek.innerHTML = "Expand to see full directory";

		var e = document.getElementById('artDirOne');
		if (e) {
			var children = e.childNodes;
			for (var i=0; i < children.length; i++) {
				if (children[i].nodeType == 1) {
					artDirItems.push(children[i]);
					artDirItemsShow.push(false);
					var divs = children[i].getElementsByTagName("div");
					divs[0].innerHTML = '<a onclick="artDirShowHide(' + (artDirItems.length-1) + ');">Expand</a>';
					divs[1].innerHTML = '<a title="expand/contract" onclick="artDirShowHide(' + (artDirItems.length-1) + ');"><img src="http://img2.timeinc.net/health/static/i/blank.gif" alt="" /></a>';
					var ul = children[i].getElementsByTagName("ul");
					ul[0].style.display = ul[1].style.display = "none";						
				}
			}
		}
	}
}

function artDirShowHide(n) {
	artDirItemsShow[n] = !artDirItemsShow[n];
	var divs = artDirItems[n].getElementsByTagName("div");
	var lis = artDirItems[n].getElementsByTagName("li");	
	divs[0].parentNode.className = (artDirItemsShow[n]?"one first":"one");	
	divs[0].getElementsByTagName("a")[0].innerHTML = (artDirItemsShow[n]?"Close":"Expand");	
	divs[1].getElementsByTagName("img")[0].style.backgroundPosition = (artDirItemsShow[n]?"0 center":"-488px center");
	var ul = artDirItems[n].getElementsByTagName("ul");
	ul[0].style.display = ul[1].style.display = (artDirItemsShow[n]?"block":"none");	
}

tii_callFunctionOnWindowLoad(function(event) {
	artDirExpandable();
});