var ajax = false;

  	function getAJAX(){
		if (window.XMLHttpRequest)
			ajax = new XMLHttpRequest();
		else
			if (window.ActiveXObject) {
				try {
					ajax = new ActiveXObject("Msxml2.XMLHTTP");
				}
				catch (e1) {
					try {
						ajax = new ActiveXObject("Microsoft.XMLHTTP");
					}
					catch (e2) {

					}
				}
			}
		return ajax;
	}

	if(!ajax)
		var ajax = getAJAX();

	if(!ajax)
		alert("Pewne wlasnosci strony są niedostepne.");

	function REPS_AJAX_GET(url,onComplete) {
		var ajax = getAJAX();
		ajax.open("GET",url);

		//ajax.setRequestHeader("Content-Type", "text/plain;charset=utf-8");
		ajax.onreadystatechange = function() {

			if(ajax.readyState == 4 && ajax.status == 200) {

				var xml 	= ajax.responseXML;
				var text 	= ajax.responseText;
				onComplete(text,xml);
			}
		};
		ajax.send(null);
		delete ajax;
	}