text: (function() {
  	EMap.Layers.FeatureLayer.LineString = EMap.Layers.FeatureLayer.extend({
  				initialize : function(options) {
  					options = options || {};
  					L.Util.setOptions(this, options);
  					EMap.Layers.FeatureLayer.prototype.initialize.call(this, this.options);
  					this.featureType=EMap.Utils.LineStringType;
  				},
  				
  				getFeatureGroup:function(dataList){
  					return EMap.Layers.FeatureLayer.prototype._featureLayer.call(this, dataList,this.options);
  				}
  
  			});
  	EMap.Layers.FeatureLayer.lineString= function(dataList, options) {
  		var LineString=new EMap.Layers.FeatureLayer.LineString(options);
  		return LineString.getFeatureGroup(dataList);
  	};
  }());