.balloonstyle{
position:absolute;
top: -500px;
left: 0;
padding: 10px;
visibility: hidden;
border:1px solid black;
font:normal 12px Arial;
line-height: 18px;
z-index: 100;
background-image:url(../images/dialog_bg.gif); 
background-repeat:repeat-x; 
background-position:top; 
background-color:#FFFFFF;
border:1px solid #CCCCCC;
width: 400px;
color:#333333;
/*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: 99;
position:absolute;
top: -500px;
left: 0;
visibility: hidden;
}