function xmlhttpPost(strURL,revid)
{
	var xmlHttpReq = false;
	var self = this;
	
	// Mozilla/Safari
	if (window.XMLHttpRequest)
	{
		self.xmlHttpReq = new XMLHttpRequest();
	}
	// IE
	else if (window.ActiveXObject)
	{
		self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
	}
	
	self.xmlHttpReq.open('POST', strURL, true);		
	self.xmlHttpReq.onreadystatechange = function()
	{
		if (self.xmlHttpReq.readyState == 4)
		{
			document.getElementById("resultado").innerHTML = self.xmlHttpReq.responseText;
		}
	}

	self.xmlHttpReq.send(null);
}