// ajax.js

function getXMLHttpRequestObject() {

	// Initialize the object:
	var ajax = false;

	// Choose object type based upon what's supported:
	if (window.XMLHttpRequest) {
	
		// IE 7, Mozilla, Safari, Firefox, Opera, most browsers:
		ajax = new XMLHttpRequest();
		
	} else if (window.ActiveXObject) { // Older IE browsers
	
		// Create type Msxml2.XMLHTTP, if possible:
		try {
			ajax = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) { // Create the older type instead:
			try {
				ajax = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) { }
		}
		
	} // End of main IF-ELSE IF.
	
	// Return the value:
	return ajax;

} // End of getXMLHttpRequestObject() function.