popup

 if(txt1!="") {
        var km="";
        var disT;
        var size1 = new OpenLayers.Size(200);
        if(txt1[1]>1000)
        {
            disT=txt1[1]/1000;
            km="千米";
        }
        else{
            km="米";
            disT=txt1[1];
        }
        if(Load_Next==0) {
             html1 = "<div class=''><div class=''><p>本站名称 :   " + txt1[0] + " </br>距离:" + disT+km+ "</br>下一站名称:   " + txt1[2] + "</p></div></div>";
            Load_Next++;
        }else {
             html1 = "<div class=''><div class=''><p>上一站名称    :" + txt1[0] + " </br>距离:" + disT+km+ "</br>本站名称:   " + txt1[2] + "</p></div></div>";
            Load_Next=0;
        }
        var popup2 = new OpenLayers.Popup("marker", lonLat1, size1, html1, false);
        popup2.setOpacity(0.8);
        popup2.div.className="PopupStye";
        map.addPopup(popup2);

        pop2[popID] = popup2;
        popID += 1;
        popup2.hide();
        marker.events.register('mouseover', marker, function () {
            popup2.show();
        });
        marker.events.register('mouseout', marker, function () {
            popup2.hide();
        });
    }


var popup2 = new Openlayers.Popup("marker",lonLat1,size1,html1,false);
popup2.setOpacity(0.8);
popup2.div.className="PopupStyle";
map.addPopup(popup2);