.balloonstyle{
position:absolute;
top: -500px;
left: 0;
padding: 8px;
visibility: hidden;
border:1px solid black;
/*
font:normal 12px Verdana;
line-height: 18px;
*/
z-index: 500;
background-color: #9E9D9C;
width: 600px; 
height: 234px; 
overflow: hidden; 
/*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);
}

#arrowhead{
z-index: 999;
position:absolute;
top: -500px;
left: 0;
visibility: hidden;
}