//globaling the important vars
 var latlng;
 var myOptions;
 var map;
 
//setup of map 
 function initialize(latitude, longitude, myzoom) {
   
    if(!myzoom) myzoom=8;                       
    latlng = new google.maps.LatLng(latitude,longitude);   
    myOptions = {
      zoom: myzoom,
      center: latlng,
      mapTypeId: google.maps.MapTypeId.HYBRID
    };      
    map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
  }