rem: this.redraw(); 
add: for(i=0; i < this.markers.length; i++) { this.drawMarker(this.markers[i]); } 
context:     moveTo:function(bounds, zoomChanged, dragging) {        OpenLayers.Layer.prototype.moveTo.apply(this, arguments);        if (zoomChanged || !this.drawn) {            this.redraw();            this.drawn = true;        }    },
meta: 1027	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1027/2cf67f76d06608d4b368b71e5265da26c08e3cc6/Markers.js/buggy/lib/OpenLayers/Layer/Markers.js