if (document.images) {
    var menu0_on= new Image();
    menu0_on.src = "../img/menu0_on.gif";
    var menu0_off = new Image();
    menu0_off.src = "../img/menu0.gif";
    var menu1_on= new Image();
    menu1_on.src = "../img/menu1_on.gif";
    var menu1_off = new Image();
    menu1_off.src = "../img/menu1.gif";
    var menu2_on= new Image();
    menu2_on.src = "../img/menu2_on.gif";
    var menu2_off = new Image();
    menu2_off.src = "../img/menu2.gif";
    var menu3_on= new Image();
    menu3_on.src = "../img/menu3_on.gif";
    var menu3_off = new Image();
    menu3_off.src = "../img/menu3.gif";
    var menu4_on= new Image();
    menu4_on.src = "../img/menu4_on.gif";
    var menu4_off = new Image();
    menu4_off.src = "../img/menu4.gif";
    var menu5_on= new Image();
    menu5_on.src = "../img/menu5_on.gif";
    var menu5_off = new Image();
    menu5_off.src = "../img/menu5.gif";
    var menu6_on= new Image();
    menu6_on.src = "../img/menu6_on.gif";
    var menu6_off = new Image();
    menu6_off.src = "../img/menu6.gif";
    var menu7_on= new Image();
    menu7_on.src = "../img/menu7_on.gif";
    var menu7_off = new Image();
    menu7_off.src = "../img/menu7.gif";
}

function rolloverOn(imgName) {
    if (document.images) {
        document.images[imgName].src=eval(imgName + "_on.src");
    }
}

function rolloverOff(imgName) {
    if (document.images) {
        document.images[imgName].src=eval(imgName + "_off.src");
    }
}                                                                                                                                                                       function scrollT0(func,num) { var rtn = setTimeout(func,num);}
function scrollTO(func,num) { 
    var rtn = map.panTo(func,num);
}
function LocationUpdate(file,num) {
  var request = GXmlHttp.create();
  request.open("GET", file, true);
  request.onreadystatechange = function() {
    if (request.readyState == 4) {
        var last = map.getCenter();
            plng = last.lng();
            plat = last.lat();
        var res = request.responseText;
            lng = parseFloat(res.split(',')[1]);
            lat = parseFloat(res.split(',')[2]);

 //       var last = res.split('\n')[num-1];
 //    alert(res);
 // alert(num);
 //           lng = last.split(',')[1];
 //           lat = last.split(',')[2];

        DrawLine(map,plng,plat,lng,lat);

        var point = new GLatLng(lat,lng);
        map.panTo(point);
        var marker = new GMarker(point);
        map.addOverlay(marker);
      
    }
  }
  request.send(null);

  setTimeout ("LocationUpdate('"+ file + "','" + num + "')", 30000);
}