function validateField(input, scope)
{
	////////////////////////	Create XMLHttpRequest Object
	if (window.XMLHttpRequest) //if Not IE
	{
		request = new XMLHttpRequest();
	}
	else if (window.ActiveXObject)	//if IE
	{
		request = new ActiveXObject("Microsoft.XMLHTTP");
	}

	var url = "<?php echo smart_url("./field_validation.handler.php"); ?>";
	url = url + "?field=" + input.name + "&value=" + input.value + "&scope=" + scope + "&reformat=true";

	//prompt("URL", url);

	if (request)
	{
		request.open("GET", url);

		request.onreadystatechange = function()
		{
			if (request.readyState != 4)
			{
				// do this while waiting for response
			}
			else if (request.readyState == 4)
			{
				if (request.status == 200)
				{
					var XMLDoc = request.responseXML;
					if (XMLDoc)
					{
						var result = XMLDoc.getElementsByTagName("result")[0].firstChild.nodeValue;

						var parent = input.parentNode;
						while (parent.nodeName != "TR")
						{
							parent = parent.parentNode;
						}

						for (var i = 0; i < parent.childNodes.length; i++)
						{
							if (parent.childNodes[i].className == "alert")
							{
								var alertElement = parent.childNodes[i];
							}
						}

						if (result == "success")
						{
							alertElement.innerHTML = '';
							var values = XMLDoc.getElementsByTagName("value");

							if (values.length)
							{
								var value = values[0].firstChild.nodeValue;
								input.value = value;
							}

							return true;
						}
						else
						{
							////////////////////////	Parse Errors
							var errors = XMLDoc.getElementsByTagName("error");

							////////////////////////	Display Errors
							alertElement.innerHTML = '';
							for (var j = 0; j < errors.length; j++)
							{
								alertElement.innerHTML += '<div class="alert_container">' + errors[j].firstChild.nodeValue + '</div>';
							}

							return false;
						}
					}
					else
					{
						//prompt("No XML Returned", url);
						return false;
					}
				}
			}
		}

		request.send(null);
	}
}