function getHTTPObject() {
var xhr = false;
	if (window.XMLHttpRequest) {
		xhr = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		try {
			xhr = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
		try {
			xhr = new ActiveXObject("Microsoft.XMLHTTP");
		} catch(e) {
			xhr = false;
		}
		}
	}
	return xhr;
}

function prepareLinks() {
	if (!document.getElementById || !document.
		getElementsByTagName) {
		return;
	}
	if (!document.getElementById("practice_icons")) {
		return;
	}
	var list = document.getElementById("practice_icons");
	var links = list.getElementsByTagName("a");
	for (var i=0; i<links.length; i++) {
		links[i].onclick = function() {
			var query = this.getAttribute("href").split("?")[1];
			var url = "includes/practice-area-details.php?"+query;
			return !grabFile(url);
		};
	}
}

window.onload = prepareLinks;

function grabFile(file) {
	var request = getHTTPObject();
	if (request) {
		request.onreadystatechange = function() {
			parseResponse(request);
		};
		request.open("GET", file, true);
		request.send(null);
		return true;
	} else {
		return false;
	}
}

function parseResponse(request) {
	if (request.readyState == 4) {
		if (request.status == 200 || request.status == 304) {
			var details = document.getElementById("details");
			details.innerHTML = request.responseText;
		}
	}
}