$().ready(function() {  
  if ($('#map_canvas').length ){
    lat = $('#map_canvas').attr('markerlat');
    lng = $('#map_canvas').attr('markerlng');
    if(lat && lng){
  		markertitle = $('#map_canvas').attr('markertitle');
  		markerinfo = $('#map_canvas').attr('markerinfo');
      
      var myLatlng = new google.maps.LatLng(lat,lng);
      var myOptions = {
        zoom: 16,
        center: myLatlng,
        mapTypeId: google.maps.MapTypeId.ROADMAP
      }
      var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
      
      var marker = new google.maps.Marker({
        position: myLatlng, 
        map: map,
        title: markertitle
      });  
    }
  }
//END of $().ready(function() {
});