var offsetfromcursorX = 12;
var offsetfromcursorY = 10;
var offsetdivfrompointerX = 10;
var offsetdivfrompointerY = 14;

document.write('<div id="dhtmltooltip"></div>');
document.write('<img id="dhtmlpointer" src="images/tooltiparrow.gif">');

var ie = document.all;
var ns6 = document.getElementById && !document.all;
var enabletip = false;

if (ie || ns6)
	var tipobj = document.all ? document.all["dhtmltooltip"]
			: document.getElementById ? document.getElementById("dhtmltooltip")
					: "";

var pointerobj = document.all ? document.all["dhtmlpointer"]
		: document.getElementById ? document.getElementById("dhtmlpointer")
				: "";

function ietruebody() {
	return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement
			: document.body;
}

function showtip(thetext, thewidth, thecolor) {
	if (ns6 || ie) {
		if (typeof thewidth != "undefined")
			tipobj.style.width = thewidth + "px";
		if (typeof thecolor != "undefined" && thecolor != "")
			tipobj.style.backgroundColor = thecolor;
		tipobj.innerHTML = thetext;
		tipobj.onmouseout = hidetip;
		enabletip = true;
		return false;
	}
}

function positiontip(e) {
	if (enabletip) {
		var nondefaultpos = false;
		var curX = (ns6) ? e.pageX : event.clientX + ietruebody().scrollLeft;
		var curY = (ns6) ? e.pageY : event.clientY + ietruebody().scrollTop;

		var winwidth = ie && !window.opera ? ietruebody().clientWidth
				: window.innerWidth - 20;
		var winheight = ie && !window.opera ? ietruebody().clientHeight
				: window.innerHeight - 20;

		var rightedge = ie && !window.opera ? winwidth - event.clientX
				- offsetfromcursorX : winwidth - e.clientX - offsetfromcursorX;
		var bottomedge = ie && !window.opera ? winheight - event.clientY
				- offsetfromcursorY : winheight - e.clientY - offsetfromcursorY;

		var leftedge = (offsetfromcursorX < 0) ? offsetfromcursorX * (-1)
				: -1000;

		if (rightedge < tipobj.offsetWidth) {
			tipobj.style.left = curX - tipobj.offsetWidth + "px";
			nondefaultpos = true;
		} else if (curX < leftedge)
			tipobj.style.left = "5px";
		else {
			tipobj.style.left = curX + offsetfromcursorX
					- offsetdivfrompointerX + "px";
			pointerobj.style.left = curX + offsetfromcursorX + "px";
		}

		if (bottomedge < tipobj.offsetHeight) {
			tipobj.style.top = curY - tipobj.offsetHeight - offsetfromcursorY
					+ "px";
			nondefaultpos = true;
		} else {
			tipobj.style.top = curY + offsetfromcursorY + offsetdivfrompointerY
					+ "px";
			pointerobj.style.top = curY + offsetfromcursorY + "px";
		}

		tipobj.style.visibility = "visible";

		if (!nondefaultpos)
			pointerobj.style.visibility = "visible";
		else
			pointerobj.style.visibility = "hidden";
	}
}

function hidetip() {
	if (ns6 || ie) {
		enabletip = false;
		tipobj.style.visibility = "hidden";
		pointerobj.style.visibility = "hidden";
		tipobj.style.left = "-1000px";
		tipobj.style.backgroundColor = '';
		tipobj.style.width = '';
	}
}

if (typeof window.addEventListener != "undefined")
	document.addEventListener("mousemove", positiontip, false);
else if (typeof window.attachEvent != "undefined")
	document.attachEvent("onmousemove", positiontip);
else {
	if (document.onmousemove != null) {
		var oldOnmousemove = document.onmousemove;
		document.onmousemove = function(e) {
			oldOnmousemove(e);
			positiontip(e);
		};
	} else
		document.onmousemove = positiontip;
}