function switch_tab(objId) {
	var obj = document.getElementById(objId);
	var targ = obj.parentNode;
	var box = targ.id;
	arts = document.getElementById("ArticleTabs").getElementsByTagName('div');
	for(var i=0; i<arts.length; i++){
		arts_item = arts[i];
		if (arts_item.style.display == 'block') {
			arts_item.style.display = 'none';
			}
		}
	obj.style.display = 'block';
	if (obj.style.display = 'none')
	{
		obj.style.display = 'block';
	}
	else {
		obj.style.display = 'none';
	}
}
function set_TabCurrent(name) {
	var linkloc = name.parentNode;
	var linkbox = linkloc.id;
	artlink = document.getElementById("TabLinks").getElementsByTagName('li');
	for(var i=0; i<artlink.length; i++){
		art_link = artlink[i];
		if (art_link.className == "current") {
			art_link.className = "";
			}
	}
	name.className = "current";
	}