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(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;