function clsLocation()
{    
    this.id = 0;
    this.siteID = 0;
    this.siteName = "";
    this.lat = 0.0;
    this.lon = 0.0;
    this.sensorTypes = "";
    this.selected = false;
    this.holdData  = "";
    this.shape  = null;
    this.startDate = "";
    this.endDate = "";
}

function clsGraphLoc()
{    
    this.id = 0;
    this.selected = false;
    this.shape  = null;
    this.holdData  = "";
    this.siteID = 0;
}


function clsSite()
{    
    this.id = 0;
    this.name = "";
    this.desc = "";
    this.lat = 0.0;
    this.lon = 0.0;
    this.startDate = "";
    this.endDate = "";
    this.selected = false;
}

function clsPlots()
{
    this.id = 0;
    this.title = "";
    this.createTime = "";
    this.strLocations = "";
    this.strSensorTypes = "";
    this.startDate = "";
    this.endDate = "";
    this.plottype = "";
    this.graphTrOpen = false;
}


function clsTag()
{
    this.tagid = "";
    this.userid = "";
    this.fname = "";
    this.tagtype = "";
    this.title = "";
    this.value = "";
    this.description = "";
    this.selected = "";
    this.published = false;
}

function clsGroup()
{
    this.groupid = "";
    this.groupname = "";
    this.affiliation = "";
    this.description = "";
}

function clsDepth()
{
    this.name = "";
    this.selected = false;
    this.id = "";
}

function clsGraph()
{   
    this.id = 0;
    this.arrLocations = new Array();
    this.shapeLayer = null;
    this.sensorType = 0;
    this.sensorTypeName = "";
    this.startDate = "";
    this.endDate = "";
    this.selected = false;
    this.rendered = false;
    this.plotID = -1;
    this.title = '';
    this.graphType = '';
    this.ready = false;
    this.highlighted = -1;
}

function clsSensorTypes()
{
    this.id = 0;
    this.name = "";
    this.desc = "";
    this.visible = false;
    this.selected = false;
    this.arrDepths =null;
}

function wbrowsertype() {
    var net_browser = 0;
    /*
    __ net_browser flag values based on OS/Browser __
    0 = Undetermined OS / Browser
    17 = Undetermined OS / Browser
    MAC OS:
    2 = Unknown Browser
    3 = Internet Explorer
    4 = Safari
    5 = Firefox
    6 = Netscape
    7 = Opera
    8 = Camino
    9 = Firebird
    26 = Google Chrome
    WINDOWS OS:
    10 = Unknown Browser
    11 = Internet Explorer
    12 = Firefox
    13 = Netscape
    14 = Opera
    15 = Camino
    16 = Firebird
    25 = Google Chrome
    UNKNOWN OS:
    17 = Unknown Browser
    18 = Safari
    19 = Internet Explorer
    20 = Firefox
    21 = Netscape
    22 = Opera
    23 = Camino
    24 = Firebird
    27 = Google Chrome
    */
    var btfound = 0; browser_detect = navigator.userAgent.toLowerCase();
    if ((browser_detect.indexOf("konqueror") + 1)) { btfound = 1; net_browser = 1; }
    if ((browser_detect.indexOf("mac_powerpc") + 1)) { btfound = 1; net_browser = 3; }
    if (btfound == 0) {
        // MAC OS
        if ((browser_detect.indexOf("macintosh") + 1)) {
            if ((browser_detect.indexOf("safari") + 1)) { btfound = 1; net_browser = 4; }
            else if ((browser_detect.indexOf("firefox") + 1)) { btfound = 1; net_browser = 5; }
            else if ((browser_detect.indexOf("netscape") + 1)) { btfound = 1; net_browser = 6; }
            else if ((browser_detect.indexOf("opera") + 1)) { btfound = 1; net_browser = 7; }
            else if ((browser_detect.indexOf("camino") + 1)) { btfound = 1; net_browser = 8; }
            else if ((browser_detect.indexOf("firebird") + 1)) { btfound = 1; net_browser = 9; }
            else if ((browser_detect.indexOf("chrome") + 1)) { btfound = 1; net_browser = 26; }
            else { btfound = 1; net_browser = 2; }
        }
        // Windows OS
        if ((browser_detect.indexOf("windows") + 1) && btfound == 0) {
            if ((browser_detect.indexOf("msie") + 1)) { btfound = 1; net_browser = 11; }
            else if ((browser_detect.indexOf("firefox") + 1)) { btfound = 1; net_browser = 12; }
            else if ((browser_detect.indexOf("netscape") + 1)) { btfound = 1; net_browser = 13; }
            else if ((browser_detect.indexOf("opera") + 1)) { btfound = 1; net_browser = 14; }
            else if ((browser_detect.indexOf("camino") + 1)) { btfound = 1; net_browser = 15; }
            else if ((browser_detect.indexOf("firebird") + 1)) { btfound = 1; net_browser = 16; }
            else if ((browser_detect.indexOf("chrome") + 1)) { btfound = 1; net_browser = 25; }
            else { btfound = 1; net_browser = 10; }
        }
        // Unknown OS
        if (btfound == 0) {
            if ((browser_detect.indexOf("safari") + 1)) { net_browser = 18; }
            else if ((browser_detect.indexOf("msie") + 1)) { net_browser = 19; }
            else if ((browser_detect.indexOf("firefox") + 1)) { net_browser = 20; }
            else if ((browser_detect.indexOf("netscape") + 1)) { net_browser = 21; }
            else if ((browser_detect.indexOf("opera") + 1)) { net_browser = 22; }
            else if ((browser_detect.indexOf("camino") + 1)) { net_browser = 23; }
            else if ((browser_detect.indexOf("firebird") + 1)) { net_browser = 24; }
            else if ((browser_detect.indexOf("chrome") + 1)) { net_browser = 27; }
            else { net_browser = 17; }
        }
    }
    /* In most cases, Google Chrome will behave the same as Firefox. If not you can remove these value overwrites. */
    if (net_browser == 25) { net_browser = 12; }
    else if (net_browser == 26) { net_browser = 5; }
    else if (net_browser == 27) { net_browser = 20; }

    return net_browser;
}


function copyPrototype(descendant, parent) {
    var sConstructor = parent.toString();
    var aMatch = sConstructor.match(/\s*function (.*)\(/);
    if (aMatch != null) { descendant.prototype[aMatch[1]] = parent; }
    for (var m in parent.prototype) {
        descendant.prototype[m] = parent.prototype[m];
    }
};