.mapdisplay {
 
  position:relative;/****  postition needs to be relative for the coordsystem to work ****/
  border:solid;
  border-width:1px 4px 4px 1px;
  border-color:#000099;
  cursor:crosshair;
  top:0px;
  left:0px;
 /**** changing the height also changes the map image height****/
  height:400px; 
/**** changing the width also changes the map image width****/
  width:520px;
  z-index:1;
}