// JavaScript Document
function sendRequest(url,meathod,queryString,returnFunction){
	if (document.getElementById('ajaxLoader')){
		document.getElementById('ajaxLoader').style.visibility = "visible";
	}
	var http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari, ...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
                // See note below about this line
		}
	} 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('Giving up :( Cannot create an XMLHTTP instance');
		return false;
	}
	http_request.onreadystatechange = function() {
		returnFunction(http_request);
	};
	http_request.open(meathod, url, true);
	if (meathod == 'POST'){
		http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	}
	http_request.send(queryString);
}