// JavaScript Document

/* general AJAX functions */
function newAJAXRequestObject()
{
	var ajaxRequest = false;	

	if (window.XMLHttpRequest) {
		ajaxRequest = new XMLHttpRequest();
		if (ajaxRequest.overrideMimeType)
			ajaxRequest.overrideMimeType('text/html');
	} else if (window.ActiveXObject) {
		try {
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}

	if (!ajaxRequest)
		return false;
	else
		return ajaxRequest;
}
function sendAJAXRequest(obj,url,vars,response)
{
	obj.onreadystatechange = response;
	obj.open('POST', url, true);
	obj.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	obj.send(vars);
	delete obj;
}
/* general AJAX functions END */