php - Change visbility of markers on a google map taking into account respective attributes -


i have google map on website receives marker information through makethemap.php working fine , map correctly generated. however, don't know how change visibility of marker taking consideration price variable.

lets say, when user clicks on given (below) radio-button want markers price variable lower 1200 disappear. 

 function load() {   var map = new google.maps.map(document.getelementbyid("map"), {     center: new google.maps.latlng(-34.600, -58.400),     zoom: 13,     maptypeid: 'roadmap',     scrollwheel: false,   });   var infowindow = new google.maps.infowindow;     downloadurl("makethemap.php", function(data) {     var xml = data.responsexml;     var markers = xml.documentelement.getelementsbytagname("marker");     (var = 0; < markers.length; i++) {       var idofobject = markers[i].getattribute("id");       var price = markers[i].getattribute("price")       var point = new google.maps.latlng(           parsefloat(markers[i].getattribute("lat")),           parsefloat(markers[i].getattribute("lng")));        var html = 'each marker has individual infotext'       marker= new google.maps.marker({         map: map,         position: point,        });       bindinfowindow(marker, map, infowindow, html);     }   }); }  function bindinfowindow(marker, map, infowindow, html) {   google.maps.event.addlistener(marker, 'click', function() {     infowindow.open(map, marker);     infowindow.setcontent(html);           }); }      function downloadurl(url, callback) {   var request = window.activexobject ?       new activexobject('microsoft.xmlhttp') :       new xmlhttprequest;    request.onreadystatechange = function() {     if (request.readystate == 4) {       request.onreadystatechange = donothing;       callback(request, request.status);     }   };    request.open('get', url, true);   request.send(null); }  function donothing() {}   <input type="radio" name="1200" value="male">places above $1200<br>

i able before loaded map on php. appreciated. bothering me quite time now!


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