function showToolTip(text) {
    var tt = document.getElementById('toolTipDiv');
    tt.style.top = (mouseY + 10) + "px";
    tt.style.left = mouseX + "px";
    tt.innerHTML = unescape(text);
    tt.style.visibility = 'visible';
}

function hideToolTip() {
    document.getElementById('toolTipDiv').style.visibility = 'hidden';
}

var mouseX = 0;
var mouseY = 0;

function mouseXY(e) {
    if (IE) {
        mouseX = event.clientX + document.body.scrollLeft
        //mouseY = event.clientY + document.body.scrollTop
        mouseY = event.clientY + Math.max(document.body.scrollTop,document.documentElement.scrollTop);
    } else {
        mouseX = e.pageX;
        mouseY = e.pageY;
    }
}

// set up mouse movement capture for tool tip placement
var IE = document.all?true:false
document.onmousemove=mouseXY;