var s_postcode = '';

function changePrevPic(obj) {
	if (obj)
		if (document.getElementById)
			if (document.getElementById('prev'))
				document.getElementById('prev').src = obj;
}

function checkForm() {
	if ($('contact-name') && $('contact-name').value != '')
		if ($('contact-surname') && $('contact-surname').value != '')
			if ($('contact-telephone') && $('contact-telephone').value != '')
				if ($('contact-email') && $('contact-email').value != '')
//					if ($('contact-price') && $('contact-price').value != '')
//						if ($('contact-bedrooms') && $('contact-bedrooms').value != '')
//							if ($('contact-date') && $('contact-date').value != '')
								return true;
								
	alert('Please fill in all the mandatory fields');
	return false;
}

function $(n) {
	if (document.getElementById)
		if (document.getElementById(n))
			return document.getElementById(n);
	return null;
}

var map;
var localSearch = new GlocalSearch();

function gmap_geocode_postcode(postcode){
  var s = document.createElement('script');
  s.src = 'http://geo.localsearchmaps.com/?cb=gmap_map_postcode&use=google2&country=uk&zip=' + postcode + '&cbe=hideMap';
  s.type = 'text/javascript';
  document.getElementsByTagName('head')[0].appendChild(s);
}

function hideMap() {
	$('map').style.display='none';
}

function gmap_map_postcode(lon, lat){
	showPointLatLng(new GLatLng(lon, lat));
}

var icon = new GIcon();
icon.image = "http://www.google.com/mapfiles/marker.png";
icon.shadow = "http://www.google.com/mapfiles/shadow50.png";
icon.iconSize = new GSize(20, 34);
icon.shadowSize = new GSize(37, 34);
icon.iconAnchor = new GPoint(10, 34);

function usePointFromPostcode(postcode, callbackFunction) {	
	localSearch.setSearchCompleteCallback(null, 
		function() {
			
			if (localSearch.results[0])
			{		
				var resultLat = localSearch.results[0].lat;
				var resultLng = localSearch.results[0].lng;
				var point = new GLatLng(resultLat,resultLng);
				callbackFunction(point);
			}else{
				alert("Postcode not found!");
			}
		});	
		
	localSearch.execute(postcode + ", UK");
}

function showPointLatLng(point)
{
	map.setCenter(point, 17);
	var marker = new GMarker(point,icon);
	map.addOverlay(marker);
}

function mapLoad() {
	if (s_postcode != '' && GBrowserIsCompatible()) {
		map = new GMap2($("map"));
		
		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());
		
		//usePointFromPostcode(s_postcode, showPointLatLng);
		gmap_geocode_postcode(s_postcode);
	}
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function addUnLoadEvent(func) {
	var oldonunload = window.onunload;
	if (typeof window.onunload != 'function') {
		window.onunload = func;
	} else {
		window.onunload = function() {
			oldonunload();
			func();
		}
	}
}