// JavaScript Document
function openTip(obj, tipName, offsetY, offsetX){
	var tip = document.getElementById(tipName);
	var y = offsetY + obj.offsetTop;		
	var x = offsetX + obj.offsetLeft;
	tip.style.top = y + "px";
	tip.style.left = x + "px";
	tip.style.display = "block";
}

function closeTip(tipName){
	var tip = document.getElementById(tipName);
	tip.style.display = "none";
}

function openTipAreaMap(tipName, offsetY, offsetX, offsetTop, offsetLeft){
	var tip = document.getElementById(tipName);
	var y = offsetY + offsetTop;		
	var x = offsetX + offsetLeft;
	tip.style.top = y + "px";
	tip.style.left = x + "px";
	tip.style.display = "block";
}