// JavaScript Document

function getXMLHttpRequest()
{
	req = false;	
	if (XMLHttpRequest)
	{
		req = new XMLHttpRequest();
	}
	else
	{
		if (ActiveXObject)
		{ 
			var vecVersiones = ["MSXML2.XMLHttp.5.0","MSXML2.XMLHttp.4.0","MSXML2.XMLHttp.3.0","MSXML2.XMLHttp","Microsoft.XMLHttp"];
			for (var i=0; i<vecVersiones.length; i++)
			{
				try
				{
					req = new ActiveXObject(vectorVersiones[i]);
					return req;
				}
				catch(e)
				{
				}
			}
		}
	}
	return req;
}