// 
	// sets the default filter
	// called from returnFilters() during initial startup/load
	//
	var setDefaultFilter111 = function () {    
		alert("set default filter");
	   	if(!isFiltering()) 
	   		return;
	   
	    var berthafilters = filters[0].children[0].children;
	  	for(i=0; i< berthafilters.length; i++) {
	  		var filter = berthafilters[i];
	  		
	  		if(!filter.propertyMap)
		    	continue;
		     
		  	var count = getFilteredMarkerCount(filter);
		  	
		  	if(count >= 10) {
		  		alert(filter.name);
		  	}
	  	}
	  	
	  	

     	
	    applySelectedFilters();	    
	}
   
  	//
   	// Returns a count of the number of markers that
   	// match the specified filter
   	// 
	function getFilteredMarkerCount(filter) {
		var filterPropertyName = filter.propertyMap.key;
		var filterPropertyValue = filter.propertyMap.value;
		var count = 0;
   	
		for(var m = 0; m < markerObjs.length; m++)  {
			var markerObj =  markerObjs[m];
			if(markerObj.additionalInfo) 
				continue;
            
			var value = eval ("markerObj." + filterPropertyName);
         
			if( value == null || value != filterPropertyValue) 
				continue;
            
			count ++;
		}
  
		return count;
	}