var offsetxpoint = 0;     //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 v1tipobj = document.all ? document.all["v1tooltip"] : document.getElementById ? document.getElementById("v1tooltip") : "";

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

function showtip(thetext, thecolor, thewidth) {
    if (ns6 || ie) {
        if (typeof thewidth != "undefined") v1tipobj.style.width = thewidth + "px";
        if (typeof thecolor != "undefined" && thecolor != "") v1tipobj.style.backgroundColor = thecolor;
        v1tipobj.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 < v1tipobj.offsetWidth) {
            //move the horizontal position of the menu to the left by it's width
                v1tipobj.style.left = ie ? ietruebody().scrollLeft + event.clientX - v1tipobj.offsetWidth + "px" : window.pageXOffset + e.clientX - v1tipobj.offsetWidth + "px";
        } else if (curX < leftedge) {
                v1tipobj.style.left = "5px";
        } else {
            //position the horizontal position of the menu where the mouse is positioned
        v1tipobj.style.left = curX + offsetxpoint + "px";
        }

        //same concept with the vertical position
            if (bottomedge < v1tipobj.offsetHeight) {
                    v1tipobj.style.top = ie ? ietruebody().scrollTop + event.clientY - v1tipobj.offsetHeight - offsetypoint + "px" : window.pageYOffset + e.clientY - v1tipobj.offsetHeight - offsetypoint + "px";
            } else {
                    v1tipobj.style.top = curY + offsetypoint + "px";
            }
            v1tipobj.style.visibility = "visible";
    }
}

function hidetip() {
    if (ns6 || ie) {
        enabletip = false
        v1tipobj.style.visibility = "hidden"
        v1tipobj.style.left = "-1000px"
        v1tipobj.style.backgroundColor = ''
        v1tipobj.style.width = ''
}
}

document.onmousemove = positiontip;