<LAYER ID="field_lyr" LEFT="180" TOP="95" Z-INDEX="2" VISIBILITY="HIDE"
 WIDTH=&{canvas_width-340}; HEIGHT=&{canvas_height-20};
  onMouseOut="hideArrow(event)">
  
        <SCRIPT>
                document.onMouseMove=showArrow;
                
                document.onMouseDown=scrollLayer;
                
                document.captureEvents(Event.MOUSEMOVE);
                
                document.captureEvents(Event.MOUSEDOWN);
                
        </SCRIPT>

<LAYER ID="arrow_lyr" LEFT="0" TOP="0" VISIBILITY="SHOW" WIDTH="39"
 HEIGHT="20">
 
        <IMG NAME="arrow_img" SRC="images/blank.gif" WIDTH="39" HEIGHT="20"
         BORDER="0">

        </LAYER>
        </LAYER>