function xmlHttp()
{
	var xmlHttp;
	
	try
	{
		// Opera 8.0+, Firefox, Safari
		xmlHttp = new XMLHttpRequest();
	} 
	catch (e)
	{
		// Internet Explorer Browsers
		try
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		 catch (e) 
		{
			try
			{
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			} 
			catch (e)
			{
				// Something went wrong
				alert("This website requires JavaScript & AJAX in order to function.");
				return false;
			}
		}
	}
	return xmlHttp;
}