.balloonstyle{
position: absolute;
top: -500px;
left: 0;
text-align: left;
padding: 5px;
visibility: hidden;
border:1px solid black;
font:normal 10px Verdana;
z-index: 100;
color: #000000;
background-color: #f3f3f3;
width: 250px;
/*Remove below line to remove shadow. Below line should always appear last within this CSS*/
/*filter: progid:DXImageTransform.Microsoft.Shadow(color=gray,direction=135,Strength=5);*/
filter: alpha(opacity= 100);
-moz-opacity:1.0;
opacity: 1.0; 
}

#arrowhead{
z-index: 99;
position:absolute;
top: -500px;
left: 0;
visibility: hidden;
}