openlayer 高亮显示样式

var v_style = new OpenLayers.StyleMap({
        'default': new OpenLayers.Style({
			graphicWidth : 60, 
			graphicHeight: 25, 
			graphicTitle:"dddd",
           
			
			fillColor: "#ee9900",
            fillOpacity: 0,
            hoverFillColor: "#66CCCC",
            hoverFillOpacity: 0,
            strokeColor: "#ffff00",
            strokeOpacity: 0,
            strokeWidth: 2,
            strokeLinecap: "round",
            strokeDashstyle: "solid",
            hoverStrokeColor: "red",
            hoverStrokeOpacity: 1,
            hoverStrokeWidth: 1,
            pointRadius: 6,
            hoverPointRadius: 1,
            hoverPointUnit: "%",
            pointerEvents: "visiblePainted",
            cursor: "inherit",
            fontColor: "#000000",
            labelAlign: "cm",
            labelOutlineColor: "white",
            labelOutlineWidth: 3,
		    label: ""
        }),
        'select': new OpenLayers.Style({

            fillColor: "#99CCFF",//bule
            fillOpacity: 0.8,
            hoverFillColor: "white",
            hoverFillOpacity: 0.8,
            strokeColor: "#ffff00",
            strokeOpacity: 1,
            strokeWidth: 2,
            strokeLinecap: "round",
            strokeDashstyle: "solid",
            hoverStrokeColor: "red",
            hoverStrokeOpacity: 1,
            hoverStrokeWidth: 0.3,
            pointRadius: 6,
            hoverPointRadius: 1,
            hoverPointUnit: "%",
            pointerEvents: "visiblePainted",
            cursor: "pointer",
            fontColor: "#000000",
            labelAlign: "cm",
            labelOutlineColor: "white",
            labelOutlineWidth: 3

        }),
        'hover': new OpenLayers.Style({
            fillColor: "#99CCFF",//bule
            fillOpacity: 0.3,
            hoverFillColor: "white",
            hoverFillOpacity: 0.8,
            strokeColor: "#ffff00",
            strokeOpacity: 1,
            strokeWidth: 2,
            strokeLinecap: "round",
            strokeDashstyle: "solid",
            hoverStrokeColor: "red",
            hoverStrokeOpacity: 1,
            hoverStrokeWidth: 0.3,
            pointRadius: 6,
            hoverPointRadius: 1,
            hoverPointUnit: "%",
            pointerEvents: "visiblePainted",
            cursor: "pointer",
            fontColor: "#000000",
            label: "1232123",
			
			graphicWidth : 60, 
			graphicHeight: 25, 
			graphicTitle:"dddd",
            
		    labelAlign: "cm",
            labelOutlineColor: "white",
            labelOutlineWidth: 3

        })
    });


		var first = new OpenLayers.Layer.Vector("1", {
                  
				  protocol: new OpenLayers.Protocol.HTTP({
                   url: "map.json",
                   format: new OpenLayers.Format.GeoJSON(),
		           displayInLayerSwitcher:true,
                   strategies: [new OpenLayers.Strategy.Fixed()],
                   styleMap: v_style
				  })
					
   });var v_style = new OpenLayers.StyleMap({