function fncChangeMapSize()
{
    var mw = 550, mh = 450;
    var nmw = mw, nmh = mh;
    var ww = 900, wh = 750;
    var nww = ww, nwh = wh;
    
    if (parseInt(navigator.appVersion)>3) 
    {
        if (navigator.appName=="Netscape") 
        {
            nww = window.innerWidth;
            nwh = window.innerHeight;
        }
        if (navigator.appName.indexOf("Microsoft")!=-1) 
        {
            nww = document.body.offsetWidth;
            nwh = document.body.offsetHeight;
        }
    }
    
    //document.write("Window width = "+nww+"<br>"+"Window height = "+nwh+"<br>");
    
    if(nww > ww)
    {
        nmw = mw + (nww - ww);
    }
    if(nww < ww)
    {
        nmw = mw - (ww - nww);
    }
    if(nmw < 300)
    {
        nmw = 300;
    }
    if(nwh > wh)
    {
        nmh = mh + (nwh - wh);
    }

    //document.write("New Window width = "+nmw+"<br>"+"New Window height = "+nmh);
    document.getElementById('gmap').style.width = nmw;
    //document.getElementById('gmap').style.height = nmh;
}