Cognos: Mouse over pop up with our own text box using java script

Cognos: Mouse over pop up with our own text box using java script
Sometimes we need a popup message box when we over the mouse on some image like below..

Take Html object into RS
paste the following code
<style>
.tooltip
{
text-decoration:left;
position:relative;
}
.tooltip span
{
display:none;
-moz-border-radius:6px;
-webkit-border-radius:6px;
border-radius:6px;
color:black;
background:#f2f2f2;
}
.tooltip span img
{
float:left;
margin:0px 8px 8px 0;
}
.tooltip:hover span
{
display:block;
position:absolute; top:-40px;  left:5px;
width:300px;
height:75px;
max-width:400px;
min-height:75px;
border:1px solid #888888;
margin-top:12px;
margin-left:32px;
overflow:hidden;
padding:8px;
}
</style>
<a class=”tooltip” href=”#” style=”border:none”>
<img src=”../samples/images/red.jpg” style=”border:0px solid #cc3300;” />
<span style=”text-align=left”>
Insert definition here
</span>
</a>
you can put your own image in the above script