// Toggle function for menu and news


function doToggle(nav) {
	
	var navitem = document.getElementById(nav);
	var navtext = document.getElementById(nav + 'text');

	//check to see if the element is shown or hidden
	if (navitem.style.display == "none") {
	
		//if the element is hidden then make it block
		navitem.style.display = "block";
		
		//change the innerHTML for news pages by checking the element is not a navigational one
		if (nav.indexOf("nav") != 0) {
			navtext.innerHTML = "Close [-]";
		}
		
		//if the element is a navigational one then change the classes to switch the + and - image
		else {
			if (navitem.parentNode.className == "current") {
				navtext.className = "accordianCurrentClose";		
			}
			else {
				navtext.className = "accordianClose";	
			}
		}
		return;
	
	}
	else {
		
		navitem.style.display = "none";
		if (nav.indexOf("nav") != 0) {
			navtext.innerHTML = "Expand [+]";
		}
		else {
			if (navitem.parentNode.className == "current") {
				navtext.className = "accordianCurrentOpen";		
			}
			else {
				navtext.className = "accordian";
			}
		}
		return;
		
	}

}