function collapseMenu()
{
	document.getElementById('islbtoggle').checked = '';
}

   function submitByEnterKey(event, button_to_action) {
        var code = (event.keyCode ? event.keyCode : event.which);
        if (code == 13) {
            document.getElementById(button_to_action).click();
        }
        return;
	}
    
    function changeSubcatList(tok, ssn, app_code, category)
    {
        if (window.XMLHttpRequest) 
        {
            //IE7+, Firefox, Chrome, Opera, Safari
           var xmlhttp_subcat_list=new XMLHttpRequest();
        } 
        else 
        {  
            //IE6, IE5
            var xmlhttp_subcat_list=new ActiveXObject("Microsoft.XMLHTTP");
        }
        xmlhttp_subcat_list.open("POST","create_page.php", true);
        
        //Send the proper header information along with the request
		xmlhttp_subcat_list.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');

        xmlhttp_subcat_list.onreadystatechange=function() {
            if (xmlhttp_subcat_list.readyState==4 && xmlhttp_subcat_list.status==200) {
                document.getElementById("subcategory_list").innerHTML=xmlhttp_subcat_list.responseText;
            }
        }
        xmlhttp_subcat_list.send("page=index&tok="+tok+"&ssn="+ssn+"&app_code="+app_code+"&func=subcat_change&type="+category);
    }

   
    function setStartupMap(location) {
    	if(location != "")
        {

			var GEOCODING = 'https://maps.googleapis.com/maps/api/geocode/json?latlng=' + location.coords.latitude + '%2C' + location.coords.longitude + '&language=en&key=AIzaSyDhZ6LZt8nAupnIgM7tshldG87EyA-wFY4';

            $.getJSON(GEOCODING).done(function(location) {
	            document.getElementById("addressInput").value = location.results[0].formatted_address;
            })

        }
		searchBusNearPos(location, "true");
        return;	
    }

    function setUserStartupMap(location) {
    	if(location != "")
        {

			var GEOCODING = 'https://maps.googleapis.com/maps/api/geocode/json?latlng=' + location.lat() + '%2C' + location.lng() + '&language=en&key=AIzaSyDhZ6LZt8nAupnIgM7tshldG87EyA-wFY4';
        }
		searchBusNearPos(location, "");
        return;	
    }
    
    function currentLocationMap(location) {
		searchBusNearPos(location, "true");
        return;	
    }

   function loadMap(address) {
  
  	if(address == "")
    {
        navigator.geolocation.getCurrentPosition(
            setStartupMap,
            function(){
                 setStartupMap("");
            }, 
            {	
                enableHighAccuracy: true,
                timeout : 500
            }
        );
      }
      else
      {
      	//load the map with the intial location setting
        var geocoder = new google.maps.Geocoder();
         geocoder.geocode({address: address}, function(results, status) {
           if (status == google.maps.GeocoderStatus.OK) {
            setUserStartupMap(results[0].geometry.location);
           } else {
             setUserStartupMap("");
           }
         });
      }
      map = new google.maps.Map(document.getElementById("map"), {
        center: {lat:46.327908, lng:-79.497185},
        zoom: 3,
        mapTypeId: google.maps.MapTypeId.ROADMAP,
        mapTypeControlOptions: {style: google.maps.MapTypeControlStyle.DROPDOWN_MENU}
      });
      infoWindow = new google.maps.InfoWindow();

      locationSelect = document.getElementById("locationSelect");
      locationSelect.onchange = function() {
        var markerNum = locationSelect.options[locationSelect.selectedIndex].value;
        if (markerNum != "none"){
          google.maps.event.trigger(markers[markerNum], 'click');
        }
      };
   }
   
   
   function clearLocations() {
     infoWindow.close();
     for (var i = 0; i < markers.length; i++) {
       markers[i].setMap(null);
     }
     markers.length = 0;

     locationSelect.innerHTML = "";
     document.getElementById("search_results").innerHTML = "";
     
   }


   function searchLocations() {
     var address = document.getElementById("addressInput").value.toLowerCase();
     if(address == "current location")
     {
    	navigator.geolocation.getCurrentPosition(currentLocationMap);
       	return;
     }
     else
     {
         var geocoder = new google.maps.Geocoder();
         geocoder.geocode({address: address}, function(results, status) {
           if (status == google.maps.GeocoderStatus.OK) {
            searchBusNearPos(results[0].geometry.location, "");
           } else {
             searchBusNearPos("", "true");
           }
         });
     }
   }  
   
   function searchBusNearPos(center, init_map) {
   	 var map_radius = 250;
     var bus_type = "";
     var bus_subcat = "";
     if(center == "")
     {
         var map_radius = 1000;
         var bus_type = document.getElementById('site_bus_type').value;
         var bus_subcat = document.getElementById('site_bus_subcat').value;
         //headquarters
         var center_lat = 45.42153;
         var center_lng = -75.697193;
         clearLocations();   

     }
     else
     {
         if(init_map == "true")
         {
             clearLocations();   
             var center_lat = center.coords.latitude;
             var center_lng = center.coords.longitude;
         }
         else
         {
             clearLocations();   
             var map_radius = document.getElementById('radiusSelect').value;
             var bus_type = document.getElementById('site_bus_type').value;
             var bus_subcat = document.getElementById('site_bus_subcat').value;
             var center_lat = center.lat();
             var center_lng = center.lng();
         }
     }
     
     //parse the url string
	var SearchString = window.location.search.substring(1);
	var VariableArray = SearchString.split('&');
    var ssn = '';
    var app_code = 0;
    var tok = 0;
	if(VariableArray.length > 0)
	{
		for(var i = 0; i < VariableArray.length; i++){
			var KeyValuePair = VariableArray[i].split('=');
			if(KeyValuePair[0] == "tok"){
				tok = KeyValuePair[1];
				if(tok == "")
				{
					tok = 0;
				}
			}
			if(KeyValuePair[0] == "ssn"){
				ssn = KeyValuePair[1];
				if(ssn == "")
				{
					ssn = '';
				}
			}
			if(KeyValuePair[0] == "app_code"){
				app_code = KeyValuePair[1];
				if(app_code == "")
				{
					app_code = 0;
				}
			} 
        }
     }    
     
     encoded_addr =  encodeURIComponent(document.getElementById("addressInput").value);
     var searchUrl = 'create_map.php?tok='+tok+'&ssn='+ssn+'&app_code='+app_code+'&lat='+center_lat+'&lng='+center_lng+"&radius="+map_radius+"&type="+bus_type+"&subcat="+bus_subcat+"&addr="+encoded_addr;
     downloadUrl(searchUrl, function(data) {
     	var farthest_point = map_radius;
       var xml = parseXml(data);
       var markerNodes = xml.documentElement.getElementsByTagName("marker");
       var bounds = new google.maps.LatLngBounds();
       if(markerNodes.length > 0)
       {
           for (var i = 0; i < markerNodes.length; i++) {
             var tok = markerNodes[i].getAttribute("tok");
             var ssn = markerNodes[i].getAttribute("ssn");
             var app_code = markerNodes[i].getAttribute("app_code");
             var name = markerNodes[i].getAttribute("name");
             var address = markerNodes[i].getAttribute("address");
             var site_url = markerNodes[i].getAttribute("site_url");
             var tel = markerNodes[i].getAttribute("tel");
             var id = markerNodes[i].getAttribute("id");
             var warning_text = markerNodes[i].getAttribute("warning");
             var distance = parseFloat(markerNodes[i].getAttribute("distance"));
             if(distance > farthest_point)
             {
                farthest_point = distance;
             }
             var lat_lng = new google.maps.LatLng(
                  parseFloat(markerNodes[i].getAttribute("lat")),
                  parseFloat(markerNodes[i].getAttribute("lng")));
    
             generateMapMarker(tok, ssn, app_code, lat_lng, name, tel, address, site_url, id);
             createOption(name, distance, i);
             bounds.extend(lat_lng);
           }
        }
        else
        {
       		var errData = xml.documentElement.getElementsByTagName("error");
            for (var i = 0; i < errData.length; i++) {
            	var warning_text = errData[i].getAttribute("warning");
            }
        }
           
      
        center_latLng = new google.maps.LatLng(center_lat, center_lng);
        //center on the center location and radius given
        var circ = new google.maps.Circle(
            {
              strokeColor: '#FF0000',
              strokeOpacity: 0.8,
              strokeWeight: 2,
              fillColor: '#FF0000',
              fillOpacity: 0.35,
              radius: farthest_point*600,
              center: center_latLng 
            }
        );
        map.setCenter(center_latLng);
        map.fitBounds(circ.getBounds());
    
        // updates markers
        google.maps.event.trigger(map,'dragend');   
            
       locationSelect.style.visibility = "visible";
       locationSelect.onchange = function() {
         var markerNum = locationSelect.options[locationSelect.selectedIndex].value;
         google.maps.event.trigger(markers[markerNum], 'click');
      
       };
      
      //dynamic_details approach
        if (window.XMLHttpRequest) 
        {
            //IE7+, Firefox, Chrome, Opera, Safari
           var xmlhttp_results=new XMLHttpRequest();
        } 
        else 
        {  
            //IE6, IE5
           var xmlhttp_results=new ActiveXObject("Microsoft.XMLHTTP");
        }

        xmlhttp_results.open("POST","create_page.php", true);
        
        //Send the proper header information along with the request
		xmlhttp_results.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');


        xmlhttp_results.onreadystatechange=function() {
            if (xmlhttp_results.readyState==4 && xmlhttp_results.status==200) {
                document.getElementById("search_results").innerHTML=xmlhttp_results.responseText;
                  if(warning_text != "")
                  {
                    openModal(warning_text);
                  }
            }
        }
        xmlhttp_results.send("page=index&tok="+tok+"&ssn="+ssn+"&func=listing_results");      
      
      });
      
    } 

function generateMapMarker(tok, ssn, app_code, lat_lng, name, tel, address, site_url, id) {

    if(site_url !="")
    {
      var html = "<b>&nbsp;&nbsp;&nbsp;<font style=font-size:16px>" + name + "</font>&nbsp;&nbsp;&nbsp;</b><br/>" + address +"<br/>"+tel+"<br/><br/><a id=btn_ultrathin_blue href=https://"+site_url+"/admin_portal.php?tok="+tok+"&ssn="+ssn+"&app_code="+app_code+">GO TO SITE</a><br/><br/>";
    }
    else
    {
        var html = "<b>&nbsp;&nbsp;&nbsp;<font style=font-size:16px>" + name + "</font>&nbsp;&nbsp;&nbsp;</b><br/>" + address +"<br/>"+tel+"<br/><br/>";
    }
      
      var marker = new google.maps.Marker({
        map: map,
        position: lat_lng,
      });
      google.maps.event.addListener(marker, 'click', function() {
        infoWindow.setContent(html);
        infoWindow.open(map, marker);
      });
      google.maps.event.addListener(marker, 'mouseover', function() {
        infoWindow.setContent(html);
        infoWindow.open(map, marker);
      });
      markers.push(marker);
}

function createOption(name, distance, num) {
      var option = document.createElement("option");
      option.value = num;
      option.innerHTML = name + " (" + distance.toFixed(1) + " km)";
      locationSelect.appendChild(option);
}
    
function downloadUrl(url, callback) {
      var request = window.ActiveXObject ?
          new ActiveXObject('Microsoft.XMLHTTP') :
          new XMLHttpRequest;
    
      request.onreadystatechange = function() {
        if (request.readyState == 4) {         
          request.onreadystatechange = emptyFunc();
          callback(request.responseText, request.status);
        }
      };
    
      request.open('GET', url, true);
      request.send(null);
}

    function parseXml(str) {
      if (window.ActiveXObject) {
        var doc = new ActiveXObject('Microsoft.XMLDOM');
        doc.loadXML(str);
        return doc;
      } else if (window.DOMParser) {
        return (new DOMParser).parseFromString(str, 'text/xml');
      }
    }

    function emptyFunc() {}
    
    var check_counter = 0;
    function checkCount(element_id, is_checked)
    {
   		if(is_checked)
        {
        	//increase the check count
            check_counter++;
        }
        else
        {
            if(check_counter == 1)
            {
            	document.getElementById(element_id).checked = true;
            	return false;
            }
            else
            {
                check_counter--;
            }
        }
    }
    
    function closeModal(reload,clear_contents)
    {
        if(clear_contents)
        {
            document.getElementById("system_modal").innerHTML="";
        }
        document.getElementById("system_overlay").style.visibility = "hidden";
        document.getElementById("system_modal").style.visibility = "hidden";
        
        if(reload)
        {
        	current_href = window.location.href;
            current_href = str_replace("alert","reload");
           window.location.assign(current_href);
        }
    }
    
    function openModal(content)
    {
        document.getElementById("system_modal").innerHTML=content;    
        document.getElementById("system_overlay").style.visibility = "visible";
        document.getElementById("system_modal").style.visibility = "visible";
    }