function loadXMLDoc(elemID, sServlet, sMethod, sParameters)
{
	if (window.XMLHttpRequest)
  	xmlhttp = new XMLHttpRequest(); // code for IE7+, Firefox, Chrome, Opera, Safari
	else
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); // code for IE6, IE5
	
	xmlhttp.onreadystatechange = function ()
	{
		if (xmlhttp.readyState==4 && xmlhttp.status==200)
			document.getElementById(elemID).innerHTML=xmlhttp.responseText;
	}
	xmlhttp.open("POST", sServlet, false);
	xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
	var allParamaters = "method=" + sMethod;
	if(sParameters.length > 0)
		allParamaters += "&" + sParameters;
	xmlhttp.send(allParamaters);
}