// JavaScript Document

function subnav() {
	var sfEls = document.getElementById("navigation_left").getElementsByTagName("dd");
	for (var i=0; i<sfEls.length; i++) {
		//alert(sfEls[i].childNodes[0]+" - "+sfEls[i].childNodes[1]+" - "+sfEls[i].childNodes[2]+" - "+sfEls[i].childNodes[3]);
		if(sfEls[i].childNodes[2]) {
			sfEls[i].childNodes[2].style.display = "none";
			sfEls[i].childNodes[0].getAttributeNode("href").value = 'javascript:menu('+i+');';
			sfEls[i].className = "closed";
		}
		
	}
}

function menu (i) {
	var items = document.getElementById("navigation_left").getElementsByTagName("dd");
	
		if(items[i].childNodes[2].style.display == "none") {
			items[i].childNodes[2].style.display = "block";
			items[i].className = "open";
		} else {
			items[i].childNodes[2].style.display = "none";
			items[i].className = "closed";
		}
	
}

window.onload = function() {
subnav();
}