/***********************************************
* Cool DHTML tooltip script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var ie=document.all
var ns6=document.getElementById && !document.all
if (ie) {
        var offsetxpoint=5
        var offsetypoint=20
}
if (ns6) {
        var offsetxpoint=0
        var offsetypoint=15
}
var enabletip=false
var tipobj = ""

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

function display(img, what){
        if (ns6||ie){
                if (ie||ns6)
                        tipobj=document.all? document.all[what] : document.getElementById? document.getElementById(what) : ""
                enabletip=true
                return false
        }
}

function positiontip(e){
        if (enabletip){
                var curX=(ns6)?e.pageX : event.clientX + document.body.scrollLeft;
                var curY=(ns6)?e.pageY : event.clientY + document.body.scrollTop;
                //Find out how close the mouse is to the corner of the window
                var rightedge=ie&&!window.opera? ietruebody().clientWidth-event.clientX-offsetxpoint : window.innerWidth-e.clientX-offsetxpoint-20
                var bottomedge=ie&&!window.opera? ietruebody().clientHeight-event.clientY-offsetypoint : window.innerHeight-e.clientY-offsetypoint-20

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

                //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=ie? ietruebody().scrollLeft+event.clientX-tipobj.offsetWidth+"px" : window.pageXOffset+e.clientX-tipobj.offsetWidth+"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+offsetxpoint+"px"

                //same concept with the vertical position
                if (bottomedge<tipobj.offsetHeight)
                        tipobj.style.top=ie? ietruebody().scrollTop+event.clientY-tipobj.offsetHeight-offsetypoint+"px" : window.pageYOffset+e.clientY-tipobj.offsetHeight-offsetypoint+"px"
                else
                        tipobj.style.top=curY+offsetypoint+"px"
                tipobj.style.visibility="visible"
        }
}

function hide(){
        if (ns6||ie){
                enabletip=false
                tipobj.style.visibility="hidden"
        }
}

document.onmousemove=positiontip