niet alle markers worden op google-maps weergegeven, terwijl ze wel in de source-code van de pagina staan weergegeven

<script type="text/javascript">
					//<![CDATA[				
	
						$(function(){
	
							if(GBrowserIsCompatible()) {
								
								var map = new GMap2(document.getElementById("bigmap"));
								var geo = new GClientGeocoder();
								var icon = new GIcon();
									icon.image = "<?php echo $_BASEURL_SITE ?>images/marker.gif";
									icon.iconSize = new GSize(25,25);
									icon.transparent = "<?php echo $_BASEURL_SITE ?>images/marker_ie.png";
									icon.iconAnchor = new GPoint(12,13);
									icon.infoWindowAnchor  = new GPoint(25,0);

								/** zoom city */	
								geo.getLatLng(
									"<?php echo $this->navigation->parsedPlaats() ?>, Nederland",
									function(point) {
									  if (!point) {
										
									  } else {
										map.setCenter(point, 10);																			
									  }
									}
								);									
								
								<?php
								$pc = count($results);
								for($p=0; $p<$pc; $p++){
									$oId = $results[$p];
									$city = getObjectField($oId, "plaats");
									$postal = getObjectField($oId, "postcode");
									$address = getObjectField($oId, "adres");
									if($city != -1){
										$city = getObjectField($city, "naam");
									}
									$url = FriendlyURLs::getObjectURL($city, $oId);							
								
								?>	
									geo.getLatLng(
										"<?php echo $address .", ". $postal ?>, Nederland",
										function(point) {
										  if (!point) {

										  } else {
											var marker = new GMarker(point, {
												icon: icon,
												title: "<?php echo $address .", ". $city ?>"
											});		
											GEvent.addListener(marker, "click", function() {
												marker.openInfoWindowHtml('<div><a href="<?php echo $url ?>"><?php echo $address .", ". $city ?></a><br /><?php $this->util->outputFirstThumbnail($oId) ?></div>');
											});
											map.addOverlay(marker);
										  }
										}
									);	
									
								<?php
								}	
								?>							
								
								map.addControl(new GSmallMapControl());
								map.addControl(new GMapTypeControl());
								map.disableScrollWheelZoom(); 
								
								$(document).unload(function(){
									GUnload();
								});
							}							
						});					
					
					//]]>
					</script>

<script type="text/javascript">
					//<![CDATA[				
 
						$(function(){
 
							if(GBrowserIsCompatible()) {
 
								var map = new GMap2(document.getElementById("bigmap"));
								var geo = new GClientGeocoder();
								var icon = new GIcon();
									icon.image = "<?php echo $_BASEURL_SITE ?>images/marker.gif";
									icon.iconSize = new GSize(25,25);
									icon.transparent = "<?php echo $_BASEURL_SITE ?>images/marker_ie.png";
									icon.iconAnchor = new GPoint(12,13);
									icon.infoWindowAnchor  = new GPoint(25,0);
 
								/** zoom city */	
								geo.getLatLng(
									"<?php echo $this->navigation->parsedPlaats() ?>, Nederland",
									function(point) {
									  if (!point) {
 
									  } else {
										map.setCenter(point, 10);																			
									  }
									}
								);									
 
								<?php
								$pc = count($results);
								for($p=0; $p<$pc; $p++){
									$oId = $results[$p];
									$city = getObjectField($oId, "plaats");
									$postal = getObjectField($oId, "postcode");
									$address = getObjectField($oId, "adres");
									if($city != -1){
										$city = getObjectField($city, "naam");
									}
									$url = FriendlyURLs::getObjectURL($city, $oId);							
 
								?>	
									geo.getLatLng(
										"<?php echo $address .", ". $postal ?>, Nederland",
										function(point) {
										  if (!point) {
 
										  } else {
											var marker = new GMarker(point, {
												icon: icon,
												title: "<?php echo $address .", ". $city ?>"
											});		
											GEvent.addListener(marker, "click", function() {
												marker.openInfoWindowHtml('<div><a href="<?php echo $url ?>"><?php echo $address .", ". $city ?></a><br /><?php $this->util->outputFirstThumbnail($oId) ?></div>');
											});
											map.addOverlay(marker);
										  }
										}
									);	
 
								<?php
								}	
								?>							
 
								map.addControl(new GSmallMapControl());
								map.addControl(new GMapTypeControl());
								map.disableScrollWheelZoom(); 
 
								$(document).unload(function(){
									GUnload();
								});
							}							
						});					
 
					//]]>
					</script>