var navItems = ["documentation", "support", "related"];

function navigation(pIndex) {
	for(var i = 0; i < navItems.length; i++) {
		if(i == pIndex) {
			if(document.getElementById("navigation_" + navItems[i]).style.display !== "block") {
				document.getElementById("navigation_" + navItems[i]).style.display = "block";
			} else {
				document.getElementById("navigation_" + navItems[i]).style.display = "none";
			}
		} else {
			document.getElementById("navigation_" + navItems[i]).style.display = "none";
		}
	}
}

function toggle(pType, pEl) {
	pParent = pEl.parentNode;
	
	if(pParent.className.indexOf("expanded") < 0) {
		pParent.className = pType + " expanded";
	} else {
		pParent.className = pType;
	}
}