function showHiddenArchive(myThis){
	myThis.parentNode.style.display = 'none';
	myParent = document.getElementById('nav_archives');
	
	for(i=0;i<myParent.childNodes.length;i++){
		if(myParent.childNodes[i].className == 'archive_hidden'){
			myParent.childNodes[i].style.display = 'inline-block';
		}
	}
}

function showHide(divId,linkRef){
	currentDisplay = document.getElementById(divId).style.display;
	if(currentDisplay == 'none'){
		document.getElementById(divId).style.display = 'block';
		linkRef.childNodes[0].nodeValue = 'hide all';
	} else {
		document.getElementById(divId).style.display = 'none';
		linkRef.childNodes[0].nodeValue = 'show all';
	}
}