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 save_url = "http://mapping.redata.com/mapping_v2006/jsps/COMMON/NEW_SAVE_MAP_SEARCH.jsp";

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


var url = server;

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;