//Function to create an XMLHttp Object.
function getxmlhttp (){
	//Create a boolean variable to check for a valid microsoft active X instance.
	var xmlhttp = false;

	//Check if we are using internet explorer.
	try {
		//If the javascript version is greater than 5.
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		//If not, then use the older active x object.
		try {
			//If we are using internet explorer.
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			//Else we must be using a non-internet explorer browser.
			xmlhttp = false;
		}
	}

	//If we are using a non-internet explorer browser, create a javascript instance of the object.
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		xmlhttp = new XMLHttpRequest();
	}

	return xmlhttp;
}

//Function to process an XMLHttpRequest.
function processajax (serverPage, obj, getOrPost, str){
	//Get an XMLHttpRequest object for use.
	xmlhttp = getxmlhttp ();
	if (getOrPost == "get"){
		xmlhttp.open("GET", serverPage);
		xmlhttp.onreadystatechange = function() {
			if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
				obj.innerHTML = xmlhttp.responseText;
			}
		}
		xmlhttp.send(null);
	} else {
		xmlhttp.open("POST", serverPage, true);
		xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=utf-8");
		xmlhttp.onreadystatechange = function() {
			if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
				//alert(xmlhttp.responseText);
				obj.innerHTML = xmlhttp.responseText;
			}
		}
		xmlhttp.send(str);
	}
}