var offsetxpoint=100; //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;
var tipobj;
if (ie||ns6)
    tipobj=document.getElementById("dhtmltooltip");

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

function ddrivetip(header, body) {
    if(enabletip)
    {
        hideddrivetip();
    }
    else
    {
        var headerStr = "<font class='title'>" + header + "</font>";
        var bodyStr = "<font class='body'>" + body + "</font>";
        tipobj.innerHTML = headerStr + "<br/>" + bodyStr;
        enabletip=true;
    }
}

function positiontip(e){
    if (enabletip)
    {
        var curX=(ns6)?e.pageX : event.clientX+ietruebody().scrollLeft-300;
        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-100
        var bottomedge=ie&&!window.opera? ietruebody().clientHeight-event.clientY-offsetypoint : window.innerHeight-e.clientY-offsetypoint-100
        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";        
        tipobj.style.width = "350px";
    }
}

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