var offsetfromcursorX	= 20	//Customize x offset of tooltip
var offsetfromcursorY	= 5		//Customize y offset of tooltip

var offsetdivfrompointerX = 5	//Customize x offset of tooltip DIV relative to pointer image
var offsetdivfrompointerY = 5	//Customize y offset of tooltip DIV relative to pointer image. Tip: Set it to (height_of_pointer_image-1).

document.write('<div id="dhtmltooltip"></div>')				//write out tooltip DIV
document.write('<img id="dhtmlpointer" src="images/tooltip.gif">')	//write out pointer image

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 showtooltip(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
		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;
		//Find out how close the mouse is to the corner of the window
		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

		// set default pointer image
		pointerobj.src = "images/tooltip.gif";

		//if the horizontal distance isn't enough to accomodate the width of the context menu
		if (rightedge<tipobj.offsetWidth)
		{
			//move the horizontal position of the menu to the left by it's width
			tipobj.style.left=curX-tipobj.offsetWidth+"px"
			//set pointer image to reverse version
			pointerobj.src = "images/tooltiprev.gif";
			//position the pointer
			pointerobj.style.left=curX-offsetfromcursorX+"px"
		}
		else if (curX<leftedge)
			tipobj.style.left="5px"
		else
		{
			//position the horizontal position of the menu where the mouse is positioned
			tipobj.style.left=curX+offsetfromcursorX-offsetdivfrompointerX+"px"
			pointerobj.style.left=curX+offsetfromcursorX+"px"
		}

		//same concept with the vertical position
		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 hidetooltip()
{
	if (ns6||ie)
	{
		enabletip=false
		tipobj.style.visibility="hidden"
		pointerobj.style.visibility="hidden"
		tipobj.style.left="-1000px"
		tipobj.style.backgroundColor=''
		tipobj.style.width=''
	}
}

document.onmousemove=positiontip