/***********************************************
* 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).

//this is done elsewhere
//document.write('<div id="dhtmltooltip"></div>') //write out tooltip DIV
//document.write('<img id="dhtmlpointer" src="arrow2.gif">') //write out pointer image

var dhtmltooltipDivID = "dhtmltooltip";
var dhtmltooltiFrameDivID = "dhtmltooltipiframe";

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";
        }
        
        adjustToolTipiFrame();
    }
}

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.getElementById(dhtmltooltiFrameDivID).style.visibility = "hidden";
    }
}

document.onmousemove = positiontip;

/**
Use an "iFrame shim" to deal with problems where the datepicker shows up behind
selection list elements, if they're below the datepicker. The problem and solution are
described at:

http://dotnetjunkies.com/WebLog/jking/archive/2003/07/21/488.aspx
http://dotnetjunkies.com/WebLog/jking/archive/2003/10/30/2975.aspx
*/
function adjustToolTipiFrame()
{
  // we know that Opera doesn't like something about this, so if we
  // think we're using Opera, don't even try
  var is_opera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1);
  if (is_opera)
	return;

  // put a try/catch block around the whole thing, just in case
  try 
  {
    var iFrameDiv = document.getElementById(dhtmltooltiFrameDivID);
    
	if (!iFrameDiv) 
	{
	  // don't use innerHTML to update the body, because it can cause global variables
	  // that are currently pointing to objects on the page to have bad references
	  //document.body.innerHTML += "<iframe id='" + iFrameDivID + "' src='javascript:false;' scrolling='no' frameborder='0'>";
	  iFrameDiv = document.createElement("iFrame");
	  iFrameDiv.setAttribute("id", dhtmltooltiFrameDivID);
	  iFrameDiv.setAttribute("src", "javascript:false;");
	  iFrameDiv.setAttribute("scrolling", "no");
	  iFrameDiv.setAttribute ("frameborder", "0");
	  //iFrameDiv.setAttribute("style", "border:2px solid black");
	  document.body.appendChild(iFrameDiv);
	}
	
	if (!tipobj)
	  tipobj = document.getElementById(dhtmltooltipDivID);
	  
	try 
	{
	  iFrameDiv.style.position = "absolute";
	  iFrameDiv.style.width = tipobj.offsetWidth -8;
	  iFrameDiv.style.height = tipobj.offsetHeight -8;
	  iFrameDiv.style.top = tipobj.style.top;
	  iFrameDiv.style.left = tipobj.style.left;
	  iFrameDiv.style.visibility = tipobj.style.visibility ;
	} 
	catch(e) 
	{}
 
  } 
  catch (ee) 
  {}
 
}