// Some custom tooltips for SchoolBell

var x = 0;
var y = 0;
var tipon = false;
var tip = null;

function onBodyLoad() {
    document.captureEvents(Event.MOUSEMOVE);
    document.onmousemove = followMouse;
}

function followMouse(e) {
    x = e.pageX;
    y = e.pageY;
    if(tip){
        tip.style.top = (y + 10) + 'px';
        tip.style.left = (x + 10) + 'px';
    }
    return true;
}

function showToolTip(elem, id) {
    elem.style.borderColor = 'black';
    tip = document.getElementById(id);
    tip.style.visibility = 'visible';
    tip.style.position = 'absolute';
    tip.style.display = 'block';
}

function hideToolTip(elem) {
    tip.style.visibility = 'hidden';
    tip = null;
}