var offsetxpoint=20 //Customize x offset of tooltip
var offsetypoint=20 //Customize y offset of tooltip
var finaloffsetxpoint=null //Customize x offset of tooltip
var finaloffsetypoint=null //Customize y offset of tooltip
var ie=document.all
var ns6=document.getElementById && !document.all
var enabletip=false
var mousein=false

if (ie||ns6)
{
  var tipobj = (document.all ? document.all["help-hovertext"] : (document.getElementById ? document.getElementById("help-hovertext") : ""));
}

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

function ddrivetip(thetext, thecolor, thewidth, localfinaloffsetxpoint, localfinaloffsetypoint)
{
  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
    tipobj.style.position = 'absolute';
    tipobj.style.padding = '5px';
    tipobj.style.color = '#000000';
    tipobj.style.fontWeight = 'normal';
    tipobj.style.filter = 'alpha(opacity=90)';
    tipobj.style.border = '1px solid #318ed0'; 
    finaloffsetxpoint=localfinaloffsetxpoint
    finaloffsetypoint=localfinaloffsetypoint
    return false
  }
}

function positiontip(e)
{
  if (enabletip)
  {
    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 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 if (finaloffsetxpoint != null)
      tipobj.style.left=finaloffsetxpoint+"px";
    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 if (finaloffsetypoint != null)
      tipobj.style.top=finaloffsetypoint+"px";
    else
      tipobj.style.top=curY+offsetypoint+"px"
      
    tipobj.style.visibility="visible"
  }
}

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

document.onmousemove=positiontip