//browser detection
    var agt=navigator.userAgent.toLowerCase();
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
    var is_nav4 = (is_nav && (is_major == 4));
    var is_nav6 = (is_nav && (is_major == 5));
    var is_nav6up = (is_nav && (is_major >= 5));
    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));

//tooltip Position
var offsetX = -200;
var offsetY = 5;
var opacity = 100;
var toolTipSTYLE;

function initToolTips(){
  if(document.getElementById){
          toolTipSTYLE = document.getElementById("toolTipLayer").style;
  }

  if(is_ie || is_nav6up)
  {
    toolTipSTYLE.visibility = "visible";
    toolTipSTYLE.display = "none";
    document.onmousemove = moveToMousePos;
  }
}


function moveToMousePos(e)
{
  if(!is_ie){
    x = e.pageX;
    y = e.pageY;
  }
  else
  {
    x = event.x + document.body.scrollLeft;
    y = event.y + document.body.scrollTop;
  }

  toolTipSTYLE.left = x + offsetX+'px';
  toolTipSTYLE.top = y + offsetY+'px';
  return true;
}


function toolTip(msg, fg, bg)
{
  if(toolTip.arguments.length < 1) // if no arguments are passed then hide the tootip
  {
    if(is_nav4)
        toolTipSTYLE.visibility = "hidden";
    else
        toolTipSTYLE.display = "none";
  }
  else // show
  {
    if(!fg) fg = "#777777";
    if(!bg) bg = "#ffffe5";
    var content = '<table border="0" cellspacing="0" cellpadding="0"><tr><td bgcolor="' + fg + '">' +
                  '<table border="0" cellspacing="1" cellpadding="0"<tr><td bgcolor="' + bg + '" style="padding:5px;">'+ msg +
                  '</td></tr></table>'+
                  '</td></tr></table>';
   if(is_nav4)
   {
      toolTipSTYLE.document.write(content);
      toolTipSTYLE.document.close();
      toolTipSTYLE.visibility = "visible";
   }
   else if(is_ie || is_nav6up)
   {
      document.getElementById("toolTipLayer").innerHTML = content;
      toolTipSTYLE.display='block'
   }
  }
}