function subTabClick(clickTab) {
	if (clickTab.getElementsByTagName('a').length) {
		location.href = clickTab.getElementsByTagName('a')[0].href;
	}
	
	else {
		var tabs = document.getElementById('SubTabs').getElementsByTagName('li');
		for (var i=0;i<tabs.length;i++) {
			var tab = tabs[i];
			tab.className = '';
			tab.onmouseover = function() {}
			tab.onmouseout = function() {}
			tab.click = function() {}
		}
		clickTab.className = 'selected';
		hoverSubTabs();

		if (clickTab.id == 'BrowseByDate') {
			document.getElementById('Calendar').style.display = 'block';
		}
	}
}

function hoverSubTabs() {
	var tabs = document.getElementById('SubTabs').getElementsByTagName('li');
	for (var i=0;i<tabs.length;i++) {
		var tab = tabs[i];
		if (tab.className == '') {
			tab.onmouseover = function() {this.className = 'hover';return false;}
			tab.onmouseout = function() {this.className = '';return false;}
			tab.onclick = function() {subTabClick(this);return false;}
		}
	}
}