.balloonstyle{
position:absolute;
top: -500px;
left: 0;
padding: 5px;
visibility: hidden;
border:1px solid black;
font-family:Arial, Helvetica, sans-serif;
font-size:10px;
line-height: 14px;
z-index: 100;
background-color: #FFFFFF;
width: 150px;
}

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