function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

var j = 0;

function zoom(){
        if (j == 0) {
                j ++
                document.getElementById('zoomImg').src = "images/zoom.gif"
                document.map.btnZoom.value = "zoom out"}
	    else if (j == 1) {
                j --
                document.getElementById('zoomImg').src = "images/map.gif"
                document.map.btnZoom.value = "zoom in"}
}