﻿// JScript File
<!--
   function init() {
       // quit if this function has already been called
       if (arguments.callee.done) return;

       // flag this function so we don't do the same thing twice
       arguments.callee.done = true;

       // create the "page loaded" message
        initialize() ;
       align();
 
   };

   /* for Mozilla */
   if (document.addEventListener) {
       document.addEventListener("DOMContentLoaded", init, false);
   }

   /* for Internet Explorer */
   /*@cc_on @*/
   /*@if (@_win32)
       document.write("<script defer src=ie_onload.js><"+"/script>");
   /*@end @*/

   /* for other browsers */
   window.onload = init;
   window.onunload="GUnload()"
   
     var map;
    var gdir;
    var geocoder = null;
    var addressMarker;
    var trafficInfo;
    var toggleState = 1;


    function initialize() {
      if (GBrowserIsCompatible()) {      
        map = new GMap2(document.getElementById("map_canvas"));
        gdir = new GDirections(map, document.getElementById("directions"));
        GEvent.addListener(gdir, "load", onGDirectionsLoad);
        GEvent.addListener(gdir, "error", handleErrors);
        
        map.addControl(new GSmallMapControl());
        var trafficOptions = {incidents:true};
        trafficInfo = new GTrafficOverlay(trafficOptions);
        map.addOverlay(trafficInfo);
        map.setCenter(new GLatLng(39.926027,-75.0737), 8);


       // setDirections("New York, USA", "Cooper Street, Camden, New Jersey, USA", "en_US");
      }
    }
     function getDirections()
     {
     var from = document.getElementById('fromAddress').value;
     var to =  document.getElementById('toAddress').value;
     var lang =  document.getElementById('locale').value;
         if(from=="")
         {
            alert('Please input a starting address');
         }
         else
         {
         setDirections(from, to, lang)
         }
     }
     
    function setDirections(fromAddress, toAddress, locale) {
      gdir.load("from: " + fromAddress + " to: " + toAddress,
                { "locale": locale });
    }

    

    function handleErrors(){
	   if (gdir.getStatus().code == G_GEO_UNKNOWN_ADDRESS)
	     alert("No corresponding geographic location could be found for one of the specified addresses. This may be due to the fact that the address is relatively new, or it may be incorrect.\nError code: " + gdir.getStatus().code);
	   else if (gdir.getStatus().code == G_GEO_SERVER_ERROR)
	     alert("A geocoding or directions request could not be successfully processed, yet the exact reason for the failure is not known.\n Error code: " + gdir.getStatus().code);
	   
	   else if (gdir.getStatus().code == G_GEO_MISSING_QUERY)
	     alert("The HTTP q parameter was either missing or had no value. For geocoder requests, this means that an empty address was specified as input. For directions requests, this means that no query was specified in the input.\n Error code: " + gdir.getStatus().code);

	//   else if (gdir.getStatus().code == G_UNAVAILABLE_ADDRESS)  <--- Doc bug... this is either not defined, or Doc is wrong
	//     alert("The geocode for the given address or the route for the given directions query cannot be returned due to legal or contractual reasons.\n Error code: " + gdir.getStatus().code);
	     
	   else if (gdir.getStatus().code == G_GEO_BAD_KEY)
	     alert("The given key is either invalid or does not match the domain for which it was given. \n Error code: " + gdir.getStatus().code);

	   else if (gdir.getStatus().code == G_GEO_BAD_REQUEST)
	     alert("A directions request could not be successfully parsed.\n Error code: " + gdir.getStatus().code);
	    
	   else alert("An unknown error occurred.");
	   
	}

	function onGDirectionsLoad(){ 
      // Use this function to access information about the latest load()
      // results.

      // e.g.
      // document.getElementById("getStatus").innerHTML = gdir.getStatus().code;
	  // and yada yada yada...
	}
	
	function toggleTraffic() {
      if (toggleState == 1) {
        map.removeOverlay(trafficInfo);
        toggleState = 0;
      } else {
        map.addOverlay(trafficInfo);
        toggleState = 1;
      }
  }
   -->

