// holds an instance of XMLHttpRequest
var xmlHttp = createXmlHttpRequestObject();

// creates an XMLHttpRequest instance
function createXmlHttpRequestObject() 
{
	// will store the reference to the XMLHttpRequest object
	var xmlHttp;
	// this should work for all browsers except IE6 and older
	try
	{
		// try to create XMLHttpRequest object
		xmlHttp = new XMLHttpRequest();
	}
	catch(e)
	{
		// assume IE6 or older
		var XmlHttpVersions = new Array("MSXML2.XMLHTTP.6.0",
						"MSXML2.XMLHTTP.5.0",
						"MSXML2.XMLHTTP.4.0",
						"MSXML2.XMLHTTP.3.0",
						"MSXML2.XMLHTTP",
						"Microsoft.XMLHTTP");
		// try every prog id until one works
		for (var i=0; i<XmlHttpVersions.length && !xmlHttp; i++) 
		{
			try 
			{ 
				// try to create XMLHttpRequest object
				xmlHttp = new ActiveXObject(XmlHttpVersions[i]);
			} 
			catch (e) {}
		}
	}
	// return the created object or display an error message
	if (!xmlHttp)
	{
	//	alert("Error creating the XMLHttpRequest object.");
	}
	else 
		return xmlHttp;
}

// read a file from the server
function ajax_URLcontent_into_div(URL)
{
	// only continue if xmlHttp isn't void
	if (xmlHttp)
	{
		// try to connect to the server
		try
		{
			// initiate the asynchronous HTTP request
			xmlHttp.open("GET", URL, true);
			xmlHttp.onreadystatechange = ajax_get_set_into_div;
			xmlHttp.send(null);
		}
		// display the error in case of failure
		catch (e)
		{
		//	alert("Can't connect to server:\n" + e.toString());
		}
	}
}

// function called when the state of the HTTP request changes
function ajax_get_set_into_div() 
{
	var GettingText;

	// when readyState is 4, we are ready to read the server response
	if (xmlHttp.readyState == 4) 
	{
		// continue only if HTTP status is "OK"
		if (xmlHttp.status == 200) 
		{
			try
			{
				// Print into DIV that we get
				GettingText = xmlHttp.responseText;

			}
			catch(e)
			{
				// display error message
			//	alert("Error reading the response: " + e.toString());
			}
		} 
		else
		{
			// display status message
		//	alert("There was a problem retrieving the data:\n" + 
		//				xmlHttp.statusText);
		}
	}
	else
	{
		GettingText = 'Loading...';
	}


	var contentDiv = document.getElementById('contact_info_canvas');
	contentDiv.innerHTML = GettingText;		

}