[OpenLayers-Users] Problem with multiple styles in KML file

[Alexandru IOVANOVICI]

Hello,
I'm using OpenLayers to display a kml file representing some line segments.
Each segment is colored differently, according to the speed mesured on that
segment. So i have a php script wich generates the kml and the following
openLayers code:

var speeds = new OpenLayers.Layer.Vector("Avg speed", {
            projection: new OpenLayers.Projection("EPSG:4326"),
            strategies: [
                new OpenLayers.Strategy.BBOX()
                //new OpenLayers.Strategy.Cluster()
            ],
            protocol: new OpenLayers.Protocol.HTTP({
                        url: "getKml.php",
                        format: new OpenLayers.Format.KML({
                                extractStyles: false,
                                extractAttributes: false
                            }),
                        params: {zoom:this.map.getZoom()}
                        })
        });
Here you have a dump of the kmlFile:
http://wikitrafic.iovanalex.ro/site/getKml2.kml

My problem is that I cannot see any diference in style, even the kml file
contains segements with diferent styles, as you can see.
Also if a open it on Google Maps, the same thing happens: all the lines are
Google-yellow.

So my question is: what is wrong with my KML file. I'm I missing something
from the definition of the file ? I have checked it with an online validator
and it seems ok.

Thank you,

Alexandru IOVANOVICI.
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