var ns4 = document.layers;
var ns6 = document.getElementById && !document.all;
var ie4 = document.all;

var offsetX = 7;
var offsetY = 20;
var windowwidth = 200;

var toolTipSTYLE="";

//initDiv();
//window.onload = initToolTips();

function initDiv()
{
  theLayer = "<DIV ID='toolTipLayer' STYLE='position:absolute;'></DIV>";
	document.write(theLayer);
}


function initToolTips()
{
  if(ns4||ns6||ie4)
  {
    if(ns4) toolTipSTYLE = document.toolTipLayer;
    else if(ns6) toolTipSTYLE = document.getElementById("toolTipLayer").style;
    else if(ie4) toolTipSTYLE = document.all.toolTipLayer.style;
    if(ns4) document.captureEvents(Event.MOUSEMOVE);
    else
    {
      toolTipSTYLE.visibility = "visible";
      toolTipSTYLE.display = "none";
    }
    document.onmousemove = moveToMouseLoc;
  }
}

var alignment = "left";

function toolTip(msg, align, fg, bg)
{
  if(toolTip.arguments.length < 1) // hide
  {
    if(ns4) toolTipSTYLE.visibility = "hidden";
    else toolTipSTYLE.display = "none";
  }
  else // show
  {
    if(align == "right") alignment = "right";
    else alignment = "left";

    if(!fg) fg = "#777777";
    if(!bg) bg = "#FFFFFF";
    var content =
    "<table width = '"+windowwidth+"' border='0' cellspacing=0 cellpadding=2 bgcolor='" + fg + "'><td>" +
    "<table width = '100%' border='0' cellspacing=0 cellpadding=3 bgcolor='" + bg + 
    "'><td align='center'><table border='0' cellspacing=0 cellpadding=0><td><font face='sans-serif' color='" + fg +
    "' size='-2'>" + msg +
    "&nbsp\;</font></td></table></td></table></td></table>";
    if(ns4)
    {
      toolTipSTYLE.document.write(content);
      toolTipSTYLE.document.close();
      toolTipSTYLE.visibility = "visible";
    }
    if(ns6)
    {
      document.getElementById("toolTipLayer").innerHTML = content;
      toolTipSTYLE.display='block'
    }
    if(ie4)
    {
      document.all("toolTipLayer").innerHTML=content;
      toolTipSTYLE.display='block'
    }
  }
}

function moveToMouseLoc(e)
{
  if(ns4||ns6)
  {
    x = e.pageX;
    y = e.pageY;
  }
  else
  {
    x = event.x + document.body.scrollLeft;
    y = event.y + document.body.scrollTop;
  }
  if(alignment=="right"){
    toolTipSTYLE.left = x + offsetX - windowwidth;
    toolTipSTYLE.top = y + offsetY;
  }
  else{
    toolTipSTYLE.left = x;
    toolTipSTYLE.top = y + offsetY;
  }
  return true;
}