/***********************************************
* 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 offsetxpoint=-60 //Customize x offset of tooltip
var offsetypoint=20 //Customize y offset of tooltip
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") : ""

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

function ddrivetip(thetext, thecolor, thewidth){
    if(thetext.length > 0) {
      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 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 {
            //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 hideddrivetip(){
    if (ns6||ie) {
        enabletip=false;
        tipobj.style.visibility="hidden";
        tipobj.style.left="-1000px";
        tipobj.style.backgroundColor='';
        tipobj.style.width='';
    }
}

document.onmousemove=positiontip