var http_request = false;
var targetElem;

function makePOSTRequest(url, parameters) {
	http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			// set type accordingly to anticipated content type
			//http_request.overrideMimeType('text/xml');
			http_request.overrideMimeType('text/html');
		}
	} else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}
	if (!http_request) {
		alert('Cannot create XMLHTTP instance');
		return false;
	}
	
	http_request.onreadystatechange = alertContents;
	http_request.open('POST', url, true);
	http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http_request.setRequestHeader("Content-length", parameters.length);
	http_request.setRequestHeader("Connection", "close");
	http_request.send(parameters);
}

function alertContents() {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			//alert(http_request.responseText);
			result = http_request.responseText;
			document.getElementById(targetElem).innerHTML = result;            
		} else {
			alert('There was a problem with the request.');
		}
	}
}



function getInputObjects(url,targetdiv) {
	var els = document.getElementsByTagName("input");
	var poststr;
	for (i=0; i<els.length; i++) {
		if (els[i].id) {
			poststr = poststr + "&"+els[i].name+"="+escape(encodeURI($(els[i].id).value));
		}
	}
/*
	var poststr = "mytextarea1=" + escape(encodeURI( document.getElementById("mytextarea1").value )) +
		"&mytextarea2=" + escape(encodeURI( document.getElementById("mytextarea2").value ));

*/	
	targetElem = targetdiv;
	
	makePOSTRequest(url, poststr);
}