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));
	
var offsetX = 0;
var offsetY = 5;
var opacity = 100;
var toolTipSTYLE;
var transparent = false;

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 COLOR="#F7D77E"
  {
    if(!fg) fg = "#777777";
    if(!bg) bg = "#F7D77E";
    var content = '<table border="0" cellspacing="0" cellpadding="0" class="toolTip"><tr><td bgcolor="' + bg + '">' +
                                  '<table border="0" cellspacing="10" cellpadding="0"<tr><td bgcolor="' + bg + '">'+
                                  '<font face="sans-serif" color="' + fg + '" class="toolTip">' + msg +
                                  '</font></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'
    }
  }
}

s = '<table width="100%" cellspacing="2" cellpadding="0" border="0">';
s += '<tr><td><img src="http://upload.wikimedia.org/wikipedia/meta/2/2a/Nohat-logo-nowords-bgwhite-200px.jpg" border="0"/> </td><td valign="top">WikiPedia</td></tr>';
s += '<tr><td colspan="2" class="Text"><hr/>this is a test for simple tooltip. <br/>You can add text and images to the tooltip</td></tr>';
s += '</table>'

function show(){
        toolTip(s)
}

var m = '';
m = m + '<style>';
m = m + '.toolTip ';
m = m + '{';
m = m + '    font-family: Verdana, Arial, Sans-serif, \'Times New Roman\';';
m = m + '    font-size: 8pt;        ';
if (transparent){
	m = m + '    filter:alpha(opacity=80);';
	m = m + '    -moz-opacity: 0.8;';
	m = m + '    opacity: 0.8;';
}
m = m + '} ';
m = m + '</style>';
/* comment the above 3 lines if you don't want transparency*/
document.write(m);
document.write('<div id="toolTipLayer" style="position:absolute; visibility: hidden;left:0;right:0">.</div>');
initToolTips();