function showAboutContent(section, sub, a) {
	//highlight the clicked anchor tag
	var as = document.getElementById('aboutnav').getElementsByTagName("a");
	for(var i = 0; i < as.length; i++) {
		as[i].className = "off";
	}
	a.className = "on";
	var url = '/call/snippet/about.php?section='+section+'&sub='+sub;
	var cObj = Connect.asyncRequest('GET', url, showAboutContentResponse);
}

function showAboutContentResponse(o, success) {
	if(success) {
		var ob = document.getElementById("aboutcontent");
		ob.innerHTML = o.responseText;	
	}
}