// ---------------------------------------------------------------------------
// Tooltip

/***********************************************
 * Cool DHTML tooltip script II- © 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 offsetfromcursorX=12; //Customize x offset of tooltip
var offsetfromcursorY=10; //Customize y offset of tooltip

var offsetdivfrompointerX=10; //Customize x offset of tooltip DIV relative to pointer image
var offsetdivfrompointerY=14; //Customize y offset of tooltip DIV relative to pointer image. Tip: Set it to (height_of_pointer_image-1).

document.write('<div id="dhtmltooltip"></div>'); //write out tooltip DIV
document.write('<img id="dhtmlpointer" src="/images/tooltip_1.gif">'); //write out pointer image

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") : "";
var pointerobj=document.all? document.all["dhtmlpointer"] : document.getElementById? document.getElementById("dhtmlpointer") : "";

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

function ddrivetip(thetext, thewidth, thecolor){
  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 nondefaultpos=false;
    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 winwidth=ie&&!window.opera? ietruebody().clientWidth : window.innerWidth-20;
    var winheight=ie&&!window.opera? ietruebody().clientHeight : window.innerHeight-20;

    var rightedge=ie&&!window.opera? winwidth-event.clientX-offsetfromcursorX : winwidth-e.clientX-offsetfromcursorX;
    var bottomedge=ie&&!window.opera? winheight-event.clientY-offsetfromcursorY : winheight-e.clientY-offsetfromcursorY;

    var leftedge=(offsetfromcursorX<0)? offsetfromcursorX*(-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=curX-tipobj.offsetWidth+"px";
      nondefaultpos=true;
    }
    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+offsetfromcursorX-offsetdivfrompointerX+"px";
      pointerobj.style.left=curX+offsetfromcursorX+"px";
    }

    //same concept with the vertical position
    if (bottomedge<tipobj.offsetHeight){
      tipobj.style.top=curY-tipobj.offsetHeight-offsetfromcursorY+"px";
      nondefaultpos=true;
    }
    else{
      tipobj.style.top=curY+offsetfromcursorY+offsetdivfrompointerY+"px";
      pointerobj.style.top=curY+offsetfromcursorY+"px";
    }
    tipobj.style.visibility="visible";
    if (!nondefaultpos)
      pointerobj.style.visibility="visible";
    else
      pointerobj.style.visibility="hidden";
  }
}

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

document.onmousemove=positiontip;