Yes, thanks, I know this example and this code, sure, otherway it should be
absolutely stupid question)
But, seems to be, I've described the problem in non-clarified manner:
Just after the some user's manipulation on page Map loads markers ans shows
them (data from database).
And I have another button where I ask the B and L from user and I add new
marker, using this new info.
So, if I write:
var map = new GMap2(document.getElementById("map_canvas"));
I'm getting new instanse of Map without already existed markers and info
windows. That's problem - I'd like to have "old" map-object and
add to it new marker.
2011/2/2 Andrew Leach <[email protected]>
> On 1 February 2011 21:18, Eugene <[email protected]> wrote:
> > Please, help for beginner:
> > I have Google map in HTML page, which declared in HTML as DIV-element
> > (as it made in example)
> >
> > <div id="map_canvas" style="width:610px;height:470px;border:1px
> > solid;">
> >
> > In another part of this HTML-page I want to request to this Map and
> > set marker on it.
> > In JavaScript I write
> >
> > document.getElementById("map_canvas")
> >
> > but, sure, I'm getting the object "HTMLDivElement".
> > So, is there any way to get access to existed map on page ?
>
> I suggest following the examples, particularly
>
> http://code.google.com/apis/maps/documentation/javascript/v2/examples/marker-simple.html
>
> That one uses a loop to create 10 random locations and place a marker
> at each of them. The relevant lines for a single marker are
> var map = new GMap2(document.getElementById("map_canvas"));
> map.setCenter(new GLatLng(..., ...), ...); // needs lat, lng, zoom for map
> var latlng = new GLatLng(..., ...); // needs lat, lng for marker
> map.addOverlay(new GMarker(latlng));
>
> That is, document.getElementById("map_canvas") is indeed an
> div-element object. But the "new GMap2(...)" uses that div for the
> map, and you get hold of the map by assigning it to a variable, "var
> map" in this case.
>
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