document.onmousemove = setCoords;
document.onmouseover = setCoords;
function setCoords(e) {
    if (document.all) {
        x = event.clientX + d.body.scrollLeft;
        y = event.clientY + d.body.scrollTop;
    } else {
        x = e.pageX;
        y = e.pageY;
    }
}
function getInfo(n) {
    id = n;
    if (window.XMLHttpRequest)
        request = new XMLHttpRequest();
    else if (window.ActiveXObject)
        request = new ActiveXObject("Microsoft.XMLHTTP");
    request.onreadystatechange = processRequest;
    request.open("GET",url+n,true);
    request.send(null);
}
function processRequest() {
    if (request.readyState == 4 &&
        request.status == 200)
          parseMessages();
}
function hide() {
    d.getElementById('tip').style.visibility = 'hidden';
}