rem: this.id = (id ? id : 'f'+Math.Random()); 
add: this.id = (id ? id : 'f'+Math.random()); 
context:     initialize: function(layer, lonlat, data, id) {        this.layer = layer;        this.lonlat = lonlat;        this.data = data;        this.id = (id ? id : 'f'+Math.Random());    },
meta: 8310	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8310/9256cdc2074bbbb49958351bf8baf885bf151a4b/Feature.js/buggy/lib/OpenLayers/Feature.js