var isNav = (window.navigator.appName.toLowerCase().indexOf("netscape")>=0);
var isIE = (window.navigator.appName.toLowerCase().indexOf("microsoft")>=0);
var isSafari = (window.navigator.userAgent.toLowerCase().indexOf("safari")>=0);


var server = "http://mapping.redata.com/mapping_v2006/CachedMapServlet";

var url = server;

var site = 'BUNBURY';

var saved_minx = minx;
var saved_miny = miny;
var saved_maxx = maxx;
var saved_maxy = maxy;

//map div's location and size
var top=209;
var left=22;
var width = 498;
var height = 498;
var border = 0;
var DivId = 'mapArea';

//identify result div's location
var idLeft=0;
var idTop=0;


function getHTTPObject() {
    var xmlhttp;
    if (window.XMLHttpRequest) {
        xmlhttp = new XMLHttpRequest();
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    return xmlhttp;
}

var http ;

var isWorking = false;