// JavaScript Document
//window.onload = initAll;
var xhr = false;
var textRequest=true;
var url;
//function initAll() {
//	document.getElementById("sub1").onclick = function() {
//		textRequest = true;

	//	url="subject.php?sub=6";
		//makeRequest();
//		return false;
//	}
//	document.getElementById("sub2").onclick = function() {
//		url="subject.php?sub=7";
//		makeRequest();
//		return false;
//	}
//	document.getElementById("sub3").onclick = function() {
//		url="subject.php?sub=8";
//		makeRequest();
//		return false;
//	}
//	document.getElementById("sub4").onclick = function() {
//		url="subject.php?sub=9";
//		makeRequest();
//		return false;
//	}
//}


function makeRequest(ur) {
	url = ur ;
	
	if (window.XMLHttpRequest) {
		xhr = new XMLHttpRequest();
	}
	else {
		if (window.ActiveXObject) {
			try {
				xhr = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e) { }
		}
	}

	if (xhr) {
		xhr.onreadystatechange = showContents;
		xhr.open("GET", url, true);
		xhr.send(null);
	}
	else {
		document.getElementById("updateArea").innerHTML = "Sorry, but I couldn't create an XMLHttpRequest";
	}
}

function showContents() {
	if (xhr.readyState == 4) {
		if (xhr.status == 200) {
			var outMsg = (textRequest) ? xhr.responseText : xhr.responseXML;
		}
		else {
			var outMsg = "There was a problem with the request " + xhr.status;
		}
		document.getElementById("updateArea").innerHTML = outMsg;
	}
}