SimpleGMap = function(id, lat, lng, zoom)   
{   
    if(!id) return; else this.id = id;   
    (!!lat)?this.lat=lat:this.lat=37.374976654386856;   
    (!!lng)?this.lng=lng:this.lng=140.3739908337593;   
    (!!zoom)?this.zoom=zoom:this.zoom=17;   
       
    this.map;   
    this.mapControl = new GLargeMapControl();   
    this.mapScale = true;   
    this.mapType = true;   
    this.mapOverview = true;   
    this.markers = [];   
       
    this.onLoad(this, "createMap");   
}   
//   
// public function   
//   
SimpleGMap.prototype.addMarker = function(lat, lng, label)   
{   
    var obj = { lat:   lat,   
                lng:   lng,   
                label: label   
                }   
    this.markers.push(obj);   
}   
SimpleGMap.prototype.addMapControl = function(type)   
{   
    if(type=="L") this.mapControl = new GLargeMapControl();   
    else if(type=="S") this.mapControl = new GSmallMapControl();   
    else this.mapControl = false;   
}   
SimpleGMap.prototype.addScale = function(b)   
{   
    this.mapScale = b;   
}   
SimpleGMap.prototype.addType = function(b)   
{   
    this.mapType = b;   
}   
SimpleGMap.prototype.addOverview = function(b)   
{   
    this.mapOverview = b;   
}   
//   
// private function   
//   
SimpleGMap.prototype.onLoad = function(scope, func)   
{   
    if(window.addEventListener) window.addEventListener('load', function(e){ scope[func](e); }, false);   
    else if(window.attachEvent) window.attachEvent('onload', function(e){ scope[func](e); });   
}   
SimpleGMap.prototype.createMap = function()   
{   
    if(GBrowserIsCompatible())   
    {   
        this.map = new GMap2(document.getElementById(this.id));   
        if(this.mapControl) this.map.addControl(this.mapControl);   
        if(this.mapScale) this.map.addControl(new GScaleControl());   
        if(this.mapType) this.map.addControl(new GMapTypeControl());   
        if(this.mapOverview) this.map.addControl(new GOverviewMapControl());   
        this.map.setCenter(new GLatLng(this.lat, this.lng), this.zoom);    
    }   
       
    var len = this.markers.length;   
    var bounds = new GLatLngBounds();   
    for(var i=0; i<len; i++)   
    {   
        var m = this.markers[i];   
        var marker = this.createMarker(m.lat, m.lng, m.label);   
        this.map.addOverlay(marker);   
        bounds.extend(new GLatLng(m.lat, m.lng));   
    }   
    if(len>1) this.map.setCenter(bounds.getCenter(), this.map.getBoundsZoomLevel(bounds));   
}   
SimpleGMap.prototype.createMarker = function(lat, lng, label)   
{   
    var marker = new GMarker(new GLatLng(lat, lng));   
    GEvent.addListener(marker, "click", function() {   
        marker.openInfoWindowHtml(label);   
    });   
    return marker;   
}