var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();


var app = {
	initialise: function() {
		app.log('initialised');
		//alert('initialised');
		
		if(BrowserDetect.OS == "Windows"){
			$("body").addClass('windows');
		}
	},
	
	log: function(message) {
		if(typeof console != 'undefined') console.log(message);
	},
	
	position_homepage_overlays: function() {
		$('.title_box').each(function(index) {
			$(this).css('top', (($(this).parent().height()) - $(this).height() - 7) + 'px');
		});
		
		$('.title_box_ie_6').each(function(index) {
			$(this).css('top', (($(this).parent().height()) - $(this).height() - 7) + 'px');
		});
	},
	
	setup_slides: function() {
		
		if( $('#main_slide a').length > 1 ){
			number_of_slides = $('#main_slide a').length;

			$('#main_slide a').each(function(index) {
				if(!($(this).hasClass('on'))){
					$(this).hide();
				}else{
					current_slide = index + 1;
				}
			});

			$('#slide_select a').each(function(index) {
				$(this).click(function(){
					app.show_slide((index + 1));
					return false;
				});
			});

			$('#next_slide').click(function(){
				app.next_slide();
				return false;
			});

			$('#previous_slide').click(function(){
				app.previous_slide();
				return false;
			});

			$('#main_slide a').click(function(){
				app.next_slide();
				return false;
			});

			//$('#main_slide').height($('#main_slide').height());
		}else{
			$('#main_slide a').click(function(){
				return false;
			});
			$('#main_slide a').addClass('no_click');
			
			$('#slideshow_controls ul').hide();
		}
		
	},
	
	show_slide: function(slide_number) {
		if($("#main_slide a:animated").length == 0 && $('#main_slide:animated').length == 0){
			
			$('#captions p').hide();
			$('#captions p:eq('+ (slide_number - 1) +')').show();
			
			$('#slide_select .on').removeClass('on');
			$('#slide_select li a:eq('+ (slide_number - 1) +')').parent().addClass('on');
			current_slide = slide_number;
			$('#main_slide .on').removeClass('on').fadeOut('fast', function(){
				$('#main_slide a:eq('+ (slide_number - 1) +')').addClass('on').fadeIn('fast');
			});
		}
	},
	
	next_slide: function() {
		if(current_slide < number_of_slides){
			app.show_slide(current_slide + 1);
		}else{
			app.show_slide(1);
		}
	},
	
	previous_slide: function() {
		if(current_slide == 1){
			app.show_slide(number_of_slides);
		}else{
			app.show_slide(current_slide - 1);
		}
	},
	
	isiPhone: function() {
		var agent = navigator.userAgent.toLowerCase();
		app.log(agent);
		return agent.match(/iPhone/i);
	}

	
	

};


$(document).ready(function(){
	app.initialise();
	
		$('#categories .cat_link').click(function(){
			$('#categories .cat_link').each(function(index) {
				$(this).parent().removeClass('on');
			});
			
			$('#cat_all_li').removeClass('on');
			
			$(this).parent().addClass('on');
			$('.shadow_box_link').removeClass('highlighted');
			$('#side_list li').removeClass('highlighted');
			
			$('.highlight_' + $(this).attr('id') ).addClass('highlighted');
			
			id = $(this).attr('id');
			var id = $(this).attr('id');
			
			var  fire_first_link = false;
		
			$('#side_list li').each(function(index) {
				if(!$(this).hasClass('highlighted')){
					$(this).hide();
				}else{
					$(this).show();
					
					if( $(this).find('span').hasClass('on') ){
						fire_first_link = true;
					}
				}
			});
		
			
			if($('#intro_text').length > 0){
				var to_return = !(fire_first_link);
			}else{
				var to_return = false;
			}
			
			return to_return;
		});
		
		$('#intro_text #side_list a').click(function(){
			$(this).attr('href', $(this).attr('href') + '?c=' + $('#categories .on').find('a').attr('id').substring(4) );
		});

	
});

var maps = {
	initialise: function() {
		var myLatlng = new google.maps.LatLng(51.5268,-0.1079);
	    var myOptions = {
	      zoom: 15,
	      center: myLatlng,
	      mapTypeId: google.maps.MapTypeId.ROADMAP
	    }
	    var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);

	    var marker = new google.maps.Marker({
	        position: myLatlng, 
	        map: map
	    });
	}
};

$(window).load(function(){
	
	if(app.isiPhone() == "iphone" || app.isiPhone() == "ipad"){
		$('#slideshow_controls ul').css('font-size', '20px');
		$('#slideshow_controls ul li a strong').css('position', 'relative');
		$('#slideshow_controls ul li a strong').css('top', '-3px');
	}
		
	var slide_box_height = $('#main_slide_box').height();
	$('#main_slide_box img').each(function(index) {
		app.log( ($(this).height() - slide_box_height) - (($(this).height() - slide_box_height)*2) );
		var margin_top = ($(this).height() - slide_box_height) - (($(this).height() - slide_box_height)*2);
		//$(this).css('margin-top', (margin_top / 2) + 'px');
	});
	
	//for image size related functions
	app.position_homepage_overlays();
	number_of_slides = 0;
	current_slide = 0;
	app.setup_slides();
	
	
	$('#categories li').each(function(index) {
		if($(this).hasClass('on')){
			$(this).find('a').click();
		}
	});
	
	if($('#map_canvas').length > 0){
		maps.initialise();
	}
	
	$('#side_list').css('margin-bottom','10px');
		
});