javascript - Google maps styled marker z-index change not working -

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in this page trying bring clicked (styled) marker (or 1 selected using vorige/volgende - previous/next - buttons) top setting zindex google.maps.marker.max_zindex + 1 (and restoring zindex previous value upon marker being clicked) using 

  this.styleicon.set('zindex', google.maps.marker.max_zindex + 1);

in following code:

var thismarker;  var markers=[];   var map; var zoem=0;  function initialize() {   var mapcanvas = document.getelementbyid('map');   var mapoptions = {center:new google.maps.latlng(latitudemid,longitudemid),zoom:zoom,maptypeid:google.maps.maptypeid.roadmap,streetviewcontrol:false,maptypecontrol:true,scalecontrol:true,scalecontroloptions:{position:google.maps.controlposition.top_right}};   map = new google.maps.map(mapcanvas, mapoptions);   var i;   var insertion;   var previousmarker;   var previouszindex;   (i = 0; < fotocount; i++)  {      var mylatlng =new google.maps.latlng(latituden[i], longituden[i]);      var marker = new styledmarker({styleicon:new styledicon(styledicontypes.marker,{color:'00ff00',text:letters[i]}),position:mylatlng,map:map});     marker.set('zindex', -i);     marker.myindex = i;     markers.push(marker);     google.maps.event.addlistener(marker, 'click', function() {       var insertion="";       insertion='<img src=\"http://www.pdavis.nl/ams/'.concat(bestanden[this.myindex],'.jpg\"></img>');        insertion=insertion.concat('<table class=width100><tr><td>bestand: ',bestanden[this.myindex],'</td><td class=pright>lokatie: ',latituden[this.myindex],' °n., ',longituden[this.myindex],' °e. (',letters[this.myindex],')</td>');       insertion=insertion.concat('<td class=pright>genomen: ',datums[this.myindex],'</td></tr><td colspan=3>object: ',objecten[this.myindex],'</td></table>');       $('#photo').html(insertion);       if(previousmarker!=null)         {         previousmarker.styleicon.set('color', '00ff00');         // -------------------------------------------- set zindex         previousmarker.styleicon.set('zindex', previouszindex);         // -------------------------------------------------------         }       this.styleicon.set('color', 'ff0000');       this.styleicon.set('zindex', google.maps.marker.max_zindex + 1);       thismarker=this.myindex;       if (zoem==1) //moet nu inzoemen         {         map.setcenter(new google.maps.latlng(latituden[thismarker], longituden[thismarker]));         map.setzoom(18);         }       if (zoem==2) //moet nu uitzoemen         {         map.setcenter(new google.maps.latlng(latitudemid,longitudemid));         map.setzoom(zoom);         zoem=0;         }       previousmarker=this;       previouszindex=this.zindex;       });    google.maps.event.adddomlistener(document.getelementbyid('volgende'), 'click', nextevent);    google.maps.event.adddomlistener(document.getelementbyid('vorige'), 'click', previousevent);    google.maps.event.adddomlistener(document.getelementbyid('zoemer'), 'click', zoemerevent);     }     google.maps.event.trigger(markers[0], 'click'); }   function nextevent() {   thismarker++;   if (thismarker>=fotocount) {thismarker=0};   google.maps.event.trigger(markers[thismarker], 'click'); }  function previousevent() {   thismarker--;   if (thismarker==-1) {thismarker=fotocount-1};   google.maps.event.trigger(markers[thismarker], 'click'); }  function zoemerevent() {   if (zoemer.value == 'niet inzoemen op selectie')      {zoemer.value = 'inzoemen op selectie';      zoem=2;}   else     {zoemer.value = 'niet inzoemen op selectie';      zoem=1;}   google.maps.event.trigger(markers[thismarker], 'click'); }

this not work. cannot find documentation of zindex styled markers, assume should set analagous setting colour (which work me).

try adding zindex directly in marker creation

var marker = new styledmarker({styleicon:new styledicon(styledicontypes.marker,{zindex: -1, color:'00ff00',text:letters[i]}),position:mylatlng,map:map});

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