Hello,
sorry for my bad eanglish, i hope this will be readable.
I have a little problem with markers on google maps, and i really need
some advice.
I`m trying to show on map position of some cars, this positions can be
changed any
time, so markers have to move. So i have an iframe, that reloads every
30 seconds,
and call functions that remove markers from map, and add new with new
coords. But
this solution give a major problem. It seems that old markers stay in
browser memory,
and after some time memory that use browser start to grow.
So i decided, that it will be better to move markers that already are
displayed, but it`s
not a good way to declare every marker with new variable, like :
var marker1 = new GMarker ...
var marker2 = new GMarker ...
because markers could be a lot, and code will be too big.
Now, what i`m trying to do now, i want to add id for each marker, and
then use those
id`s to call some function that will change it position.
function addicon(x,y,id)
{
var icon;
var point = new GLatLng(x,y);
var marker = new GMarker (point,icon);
marker.setId = id;
map.addOverlay(marker);
}
function changePos(x,y,id)
{
var marker = document.getElementById(id);
marker.setLatLng(x,y);
return 0;
}
i`ve tryied this functions, but "var marker = document.getElementById
(id);" this string
return NULL. I`m not good in javascript programming, but i thought
such construction
will work ;( it dosent.
Can you advice me something ?
Thanks for reading so much words. Really hope that you can help me.
( Searching in
google.com haven`t helped me ;( )
Alexander Romanuk
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