function createXMLHttpRequest() {
	var xmlHttp = false;
	//try {
	//	netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
	//} catch (e) {
	//	alert("Permission UniversalBrowserRead denied: " + e);
	//}
	if(window.ActiveXObject) {
		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if(window.XMLHttpRequest) {
		xmlHttp = new XMLHttpRequest();
	}else{
		alert("Please upgrade your browser!  Your browser does not support AJAX!");
	}
	return xmlHttp;
}

function startRequest(getURL){
	var xmlHttp = false;
	xmlHttp = createXMLHttpRequest();
	xmlHttp.onreadystatechange=function(){handleStateChange(xmlHttp);}
	xmlHttp.open("GET", getURL ,true);
	xmlHttp.send(null);
}

function handleStateChange(xmlHttp){
	if(xmlHttp.readyState == 4){
		if(xmlHttp.status == 200){
			document.getElementById("results").innerHTML = xmlHttp.responseText;
		}
	}
}

function getNextResults(cat,curday){
	var getURL = "http://www.evenhealth.com/cgi-bin/ajax-exercise.cgi?cat=" + cat + "&day=" + curday;
	startRequest(getURL);
}