function done()
{
}

function postAJAX2(query, url)
{
    var status = false;
    var contentType = "application/x-www-form-urlencoded; charset=UTF-8";

try{
    if (window.XMLHttpRequest) {
        request = new XMLHttpRequest();

        request.onreadystatechange = done;

        request.open("post", url, true);

        request.setRequestHeader("Content-Type", contentType);
        request.send(query);
        status = true;
    } else if (window.ActiveXObject) {
        request = new ActiveXObject("Microsoft.XMLHTTP");
        if (request) {

            request.onreadystatechange = done;

            request.open("post", url, true);
            request.setRequestHeader("Content-Type", contentType);
            request.send(query);
            status = true;
        }
    }
}
catch(e){alert("Error: " + e.message);};

    return status;
}



function postAJAX(query)
{
    var url = window.location;
    var status = false;
    var contentType = "application/x-www-form-urlencoded; charset=UTF-8";

try{
    if (window.XMLHttpRequest) {
        request = new XMLHttpRequest();

        request.onreadystatechange = done;

        request.open("post", url, true);

        request.setRequestHeader("Content-Type", contentType);
        request.send(query);
        status = true;
    } else if (window.ActiveXObject) {
        request = new ActiveXObject("Microsoft.XMLHTTP");
        if (request) {

            request.onreadystatechange = done;

            request.open("post", url, true);
            request.setRequestHeader("Content-Type", contentType);
            request.send(query);
            status = true;
        }
    }
}
catch(e){alert("Error: " + e.message);};

    return status;
}


function createQuery(form)
{
	//	alert(form);
	//	alert(form.elements);
    var elements = form.elements;
    var pairs = new Array();

    for (var i = 0; i < elements.length; i++) {

        if ((name = elements[i].name) && (value = elements[i].value))
	{
	    if (elements[i].type == 'checkbox' && elements[i].checked)
              pairs.push(name + "=" + encodeURIComponent(value));
	    else if (elements[i].type != 'checkbox')
              pairs.push(name + "=" + encodeURIComponent(value));
	}
    }

    return pairs.join("&");
}

function blocking(nr, mode)
{	
	var styling = document.getElementById(nr).style;	

	if (mode == undefined)
		mode = styling.display == 'none';

	styling.display = mode ? 'block' : 'none';
}

function hiding(nr, mode)
{	
	var styling = document.getElementById(nr).style;	

	if (mode == undefined)
		mode = styling.visibility == 'hidden';

	styling.visibility = mode ? 'visible' : 'hidden';
}



function replaceImage(image, newURL)
{ 
image.src = newURL;
}