lyr=null;
xOs=-165;
yOs=15;

function moveLyr(lyrObj,x,y) {
	lyrObj.top = y;
	lyrObj.left = x;
}

function mouseMove(e) {
	if (lyr) moveLyr(lyr,event.x + xOs + document.body.scrollLeft,event.y + yOs + document.body.scrollTop);
}

function showTip(which,MPX,MPY) {
	lyr = document.all[which].style;
	moveLyr(lyr,MPX + xOs + document.body.scrollLeft,MPY + yOs + document.body.scrollTop);
	document.onmousemove = mouseMove;
	lyr.visibility = "visible";
}

function hideTip(which) {
	document.all[which].style.visibility = "hidden";
	lyr=null;
}