function getXmlHttp() {

	var xmlhttp=false;

	/*@cc_on @*/
	/*@if (@_jscript_version >= 5)
	// JScript gives us Conditional compilation, we can cope with old IE versions.
	// and security blocked creation of the objects.
		try {
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (E) {
				xmlhttp = false;
			}
		}
	@end @*/
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		xmlhttp = new XMLHttpRequest();
	}

	return xmlhttp;

}

var httpOnCompletedAction = null;

function httpHeadRequest(url, action, async) {


	if (typeof async == 'undefined' || async == null)
		async = true;

	xmlhttp = getXmlHttp();

	xmlhttp.open("HEAD", url, async);

	if (async && action != null) {
		httpOnCompletedAction = action;
		xmlhttp.onreadystatechange=function() {
			if (xmlhttp.readyState==4 && httpOnCompletedAction != null) {
				eval(httpOnCompletedAction);
				httpOnCompletedAction = null;
			}
		}
	}

	xmlhttp.send(null);

	if (!async) eval(action);

}

function loadInElement(id, url) {

	element = document.getElementById(id);

	xmlhttp = getXmlHttp();

	xmlhttp.open('GET', url, true);

	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4 && xmlhttp.status == 200) {
			element.innerHTML = xmlhttp.responseText;
		}
	}

	xmlhttp.send(null);

}