Hi, I need help with JavaScript in google map v3 I have an image and I need to be able to turn it. That works, but the real problem it's that I cant afect an marker cause I don't know how to call it and modify this marker. I show you a part of the code:

Marker:

sURL    =  'http://www.sl2o.com/tc/picture/Fleche.PNG';
iWidth  =  97;
iHeight =  100;

mImage = new google.maps.MarkerImage(sURL, new google.maps.Size(iWidth,iHeight), new google.maps.Point(0,0), new google.maps.Point(Math.round(iWidth/2),Math.round(iHeight/2)));

var oMarker = new google.maps.Marker({
'position': new google.maps.LatLng(iStartLat,iStartLon),
'map': map,
'title': 'mon point',
'icon': mImage
});

Then I have this :

onload=function(){ 
 rotate.call(document.getElementById('im'),50);  
} 
</script>
<img id="im" src="http://www.sl2o.com/tc/picture/Fleche.PNG" width="97" height="100" />

So here is it. As you can see, I'm afecting this image and I in fact I need to afect the marker. How can I do it ? Please I need this I'been working in it since hours and hours. Thank you !!