var stan;
	function PokazUkryj(nazwa)
		{
		stan=(document.getElementById(nazwa).style.display=="none")?true:false;
		document.getElementById(nazwa).style.display=(stan)?"block":"none";
		}

function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

function sndReq(action) {
    http.open('get', 'return_content.php?action='+action);
	http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {
    if(http.readyState == 4){
		
		var response = http.responseText;
		var update = new Array();

        if(response.indexOf('|' != -1)) {
            update = response.split('|');
            document.getElementById(update[0]).innerHTML = update[1];
        }
    }
}