// ajax.js

// Ajax constructor
function Ajax() {
	// Define that
	var that = this;

	// Get HTTP Request object
	try {
		if (window.XMLHttpRequest) {
			// For Opera, IE7+, Firefox, Chrome, Safari
			this.httpReq = new XMLHttpRequest();
		} else if (window.ActiveXObject) {
			// For IE5, IE6
			this.httpReq = new ActiveXObject("Microsoft.XMLHTTP");
		} else {
			this.httpReq = null;
		}
	} catch (e) {
		this.httpReq = null;
	}
	return this;
}