var mX, mY, Tip;
Tip=1;

function MuisPos(e) {
    if (document.all) {
        mX = document.body.scrollLeft+event.clientX;
        mY = document.body.scrollTop+event.clientY;
    } else {
        mX = e.pageX;
        mY = e.pageY;
    }

    document.getElementById("ToolTip"+Tip).style.top  = mY-30 + 'px';
	document.getElementById("ToolTip"+Tip).style.left = mX + 'px';
}

function ShowTip (i) {		
	Tip=i;
    document.getElementById("ToolTip"+Tip).style.visibility = "visible";
}

function HideTip (i) {		
	document.getElementById("ToolTip"+i).style.visibility = "hidden";
}

if (document.layers){
	document.captureEvents(Event.MOUSEMOVE);
} 
document.onmousemove = MuisPos;