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: 4411	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4411/51ba86d3a1e3ba8b26457542f64f502c565cea8f/Feature.js/buggy/lib/OpenLayers/Feature.js