var locations = [
	{
		lat: 51.433972,
		lon: -0.282984,
		title: "Deer near the Isabella Plantation",
		url: "deeratduskinrichmondpark",
		highres : "http://img3013.photobox.co.uk/40061819d5b8dd473979c097e89a8b40b014c58ada1d2686f4e25ae7a4a91b05f6f6abb2.jpg",
		fave : 1,
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.433879,
		lon: -0.283992,
		title: "Deer herd at sunset",
		url: "deerherdatsunset",
		highres : "http://img4012.photobox.co.uk/138246582ce6edb1fe14eb936056ed0c10c6a19f3ba5040809d6820e7dbfd49317feb272.jpg",
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.452429,
		lon: -0.258908,
		title: "Horse rider near Roehampton Gate at sunset",
		url: "horseridingatduskinrichmondpark",
		highres : "http://img3013.photobox.co.uk/481837058e3aa27085e869ee59805d52db8da091b0cc25cd721825d12e1ff51bb7c80d42.jpg",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.449247,
		lon: -0.286417,
		title: "Sunset walk in Richmond Park",
		url: "sunsetwalk",
		highres : "http://img3013.photobox.co.uk/80926466571542123658c24ac7a4c3d0d718c885bc35a5794bb358d8dbaba7191b60412c.jpg",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.442961,
		lon: -0.26629,
		title: "Dew drops near White Lodge",
		url: "dewdropsinrichmondpark",
		highres : "http://img3013.photobox.co.uk/23290065291429f7908823dbc0f46e3847e4dd122d317c3c66c5f7424930c435091e553a.jpg",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.43721,
		lon: -0.279293,
		title: "Cycling at sunset",
		url: "cyclingatsunset",
		highres : "http://img4012.photobox.co.uk/8757870091e614403e130864b479dfba2e820caf95a23cca6d84cd864b34e4f88b4cfbf1.jpg",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.437223,
		lon: -0.290279,
		title: "Deer on a winter morning",
		url: "deeratsunriseinwinter",
		highres : "http://img4012.photobox.co.uk/15612465dad127f3b620a4a79c7d678be5e9c0a1125d2a1ed123911608071daca8999fbe.jpg",
		fave : 1,
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.438708,
		lon: -0.2738,
		title: "Cycling past a stag",
		url: "cyclingpaststag",
		highres : "http://img4013.photobox.co.uk/764617575697ba042c5ad358663bb9512cb01a49e9347cab99fe40734823e6e5e48e741c.jpg",
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.426059,
		lon: -0.286288,
		title: "Stag in the snow",
		url: "staginsnow",
		highres : "http://img3015.photobox.co.uk/51161220a6d9cbc505931153c41641a43e78a4830c8c1b6c84c348b3f347b1467aa15080.jpg",
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.433411,
		lon: -0.284443,
		title: "Stag protecting his hareem in autumn",
		url: "stagroaring",
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.437491,
		lon: -0.270495,
		title: "Stag hiding in ferns",
		url: "staginfoliage",
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.428728,
		lon: -0.285602,
		title: "Young stag making a dust cloud",
		url: "youngstagindust",
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.450731,
		lon: -0.266826,
		title: "Fallow deer",
		url: "fallowdeerhead",
		highres : "http://img5012.photobox.co.uk/9177983447c33ca5ccc461538b9947bb969fc1ee78f35ad71755430ef529ef5204fde932.jpg",
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.443376,
		lon: -0.298004,
		title: "Cute bunnies near Petersham",
		url: "cutebunnies"
	},
	{
		lat: 51.443289,
		lon: -0.29850,
		title: "Cute bunnies near Petersham",
		url: "bunnyrabbits"
	},
	{
		lat: 51.438213,
		lon: -0.284057,
		title: "White fallow deer",
		url: "whitefallowdeer",
		highres : "http://img3015.photobox.co.uk/6550352362f1007392f556ba9202c86dda46ab82fb0503dce15f2b3dd30b8bb6c3914f06.jpg",
		tags : ["deer", "Richmond Park"]
	}
	,
	{
		lat: 51.438225,
		lon: -0.27329,
		title: "Stag behind a tree",
		url: "stagbehindtree",
		highres : "http://img4013.photobox.co.uk/24934549144d3990cc873937c2c2de488ea402249b4bd22ae31d5274ed016b523ae609b8.jpg",
		tags : ["deer", "Richmond Park"]
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	,
	{
		lat: 51.457243,
		lon: -0.306673,
		title: "Richmond Bridge arches",
		url: "richmondbridgearches",
		highres : "http://img3015.photobox.co.uk/68220038f0f8a83595b8a6cb04e6823f8020999946c343802dcddbce2fb509d63d663cd3.jpg",
		tags : ["Richmond"]
	},	
	{
		lat: 51.438066,
		lon: -0.280302,
		title: "Stag in long grass",
		url: "staginlonggrass",
		highres : "http://img4013.photobox.co.uk/92249854233f04999b3fd3ac4dbaf54932b8eeca8d1f95200383f80a15285871cb4a64c9.jpg",
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.438076,
		lon: -0.280202,
		title: "Stag approaching through grass",
		url: "stagingrass",
		highres : "http://img3015.photobox.co.uk/816154493dedb901c42686dd9c4258121733469d8e675dae7512e442925a7584ccbc1a71.jpg",
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.433063,
		lon: -0.273113,
		title: "Deer walking away",
		url: "deerwalkingaway",
		highres : "http://img4013.photobox.co.uk/88724679f802286f2509dacaa530a5073e9a7ec2a2403d07ead167fa93e68a71b67dcda1.jpg",
		tags : ["deer", "Richmond Park"]
	},	
	{
		lat: 51.437638,
		lon: -0.27159,
		title: "Deer stand-off during rutting season",
		url: "deerstandoff",
		highres : "http://img4011.photobox.co.uk/77435277dffc93bb5c28f79edef6f91ce1ac3716e792ff687e115d89e0b8f5f1c093b7a5.jpg",
		fave : 1,
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.436822,
		lon: -0.281181,
		title: "Lone tree",
		url: "treeinsummer_bw",
		highres : "http://img5012.photobox.co.uk/36825377cc59b70bd33a5fd3446e5b49f5b7502968c1d63c4ece4dfdbd569777247445d3.jpg",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.437036,
		lon: -0.280559,
		title: "Deer herd",
		url: "deerherd",
		highres : "http://img4011.photobox.co.uk/9228329114261408146c76cba806113a963ce32cbf976fb48921f08feb766d1a4d6fcf84.jpg",
		fave : 1,
		tags : ["deer", "Richmond Park"]
	},
	/*{
		lat: 51.428113,
		lon: -0.282984,
		title: "Abstract photo of stag",
		url: "stagblurred",
		highres : 1,
		tags : ["deer", "Richmond Park"]
	},*/
	{
		lat: 51.432113,
		lon: -0.283327,
		title: "Stag bellowing",
		url: "stagbellowing",
		highres : "http://img4013.photobox.co.uk/6521641102dc8639b13f3f752744606192ccc5249715a902575c5c1a756986c3551ebb31.jpg",
		fave : 1,
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.439447,
		lon: -0.288278,
		title: "No bathing",
		url: "nobathingsign",
		highres : "http://img3015.photobox.co.uk/07948144cc1f01af52c47e7f82bada638ebd7394ecd9669538eecb6da9787ed164e84fce.jpg",
		fave : 1,
		tags : ["landscape", "sign", "Richmond Park"]
	},
	{
		lat: 51.435925,
		lon: -0.28616,
		title: "Fallow deer in autumn",
		url: "fallowdeerautumn",
		fave : "http://img4012.photobox.co.uk/885367961377d68dece640d392f67b4f5d0ec3b798e336529cdc60940826f3e6f01f6f0f.jpg",
		tags : ["deer", "Richmond Park"]
	},
	{
		lat: 51.447038,
		lon: -0.321542,
		title: "Street Cries Prohibited",
		url: "streetcriesprohibited",
		highres : "http://img5012.photobox.co.uk/45701709b61402a46beab3af040f3f34f86183634627d5a2b3d03f6298e66b1b0504db73.jpg",
		tags : ["sign"]
	},
	{
		lat: 51.439229,
		lon: -0.288649,
		title: "No bathing sign detail",
		url: "nobathingsigninrichmondpark",
		highres : "http://img3015.photobox.co.uk/75158531e4a39ea40d43f22be88b98230555b0303643eb6b424cee7f24dabfe434830fc0.jpg",
		tags : ["sign"]
	},
	{
		lat: 51.448203,
		lon: -0.325062,
		title: "Richmond Borough sign",
		url: "richmondboroughsign",
		highres : "http://img3015.photobox.co.uk/51411087d3be252e0c59d72b9c277806538c289dad70f973b516474f5d7943af07d4793a.jpg",
		tags : ["sign"]
	},
	{
		lat: 51.453359,
		lon: -0.299592,
		title: "Richmond Hill view",
		url: "richmondhillview",
		highres : "http://img4013.photobox.co.uk/71791394fc57d4df5ab4112bdb105bd07ad7af7596c7d784073d85333eb3ddf63c7a353d.jpg",
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.453467,
		lon: -0.299580,
		title: "Richmond Hill view (Sepia)",
		url: "richmondhillview_sepia",
		highres : "http://img4013.photobox.co.uk/768051832e7751b826c5bbc9d81990b995440a638cc07fd5df2eb6782a12ca6b18f1c5c2.jpg",
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.452549,
		lon: -0.299152,
		title: "Richmond Hill terrace bollard detail",
		url: "richmondterracebollard",
		highres : "http://img4012.photobox.co.uk/22665732a8f22ffaba0289b78b13d69074150360925ec38043aecd0bc475b6d42364353d.jpg",
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.444922,
		lon: -0.29478,
		title: "St Paul's cathedral from King Henry's Mound",
		url: "stpaulsfromkinghenrysmound",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.453292,
		lon: -0.299441,
		title: "Richmond Hill terrace",
		url: "richmondhillterrace",
		highres : "http://img3015.photobox.co.uk/363914193180b8e16c2a524465356f47aed4770880cd85e5fd6b3291d7b419c5bb3fba95.jpg",
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.453846,
		lon: -0.319848,
		title: "Telegraph wires",
		url: "telegraphwires",
		highres : "http://img4011.photobox.co.uk/93213880ed1d087f3243c156a7cd05c165b71a7c93900414e1289fed41802934251394ec.jpg",
		tags : ["urban"]
	},
	{
		lat: 51.455732,
		lon: -0.304978,
		title: "Canoeists on the River Thames",
		url: "canoeingonriverthamesatrichmond",
		highres : "http://img3015.photobox.co.uk/58044146e6df3fec22f3e504b154e5e579407110ddd98a170f71c9f7954a6f4abf940981.jpg",
		fave : 1,
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.457203,
		lon: -0.30751,
		title: "River Thames in winter, from Richmond Bridge",
		url: "riverthamesfromrichmondbridgeinwinter",
		highres : "http://img4013.photobox.co.uk/2681491487d1875b660afce5ef63aa0950cb0444a23737c8442756054b98bf7f71541256.jpg",
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.458394,
		lon: -0.308132,
		title: "Heron by Richmond Bridge",
		url: "heronbyrichmondbridge",
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.438935,
		lon: -0.288016,
		title: "Tree reflections",
		url: "treereflection_bw",
		highres : "http://img4013.photobox.co.uk/180923095e32c36e2e8c5c3694f43dab6f91b6b2d3a61e79908c40f9e9d417f5451f898b.jpg",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.457831,
		lon: -0.307209,
		title: "Rower at sunset",
		url: "roweratsunset",
		highres : "http://img4013.photobox.co.uk/24656880c35f947ca4e0557190af888b5e32c9530bea7c27623764f1ff6acc46da5ec3eb.jpg",
		tags : ["Richmond"]
	},
	{
		lat: 51.458874,
		lon: -0.308443,
		title: "Union Jack bicycle bell and Richmond Bridge",
		url: "unionjackbellrichmondbridge",
		highres : "http://img5012.photobox.co.uk/9845298115f88a2c26d2e3fe5a4691ffd45eab768e60466a4481a78a332ea972acf50d60.jpg",
		tags : ["Richmond"]
	},
	{
		lat: 51.433564,
		lon: -0.279261,
		title: "Isabella Plantation in bloom",
		url: "isabellaplantation"
	},
	{
		lat: 51.453713,
		lon: -0.270581,
		title: "Daisy close up",
		url: "daisycloseup",
		highres : "http://img3014.photobox.co.uk/21107241d75df97e5b7f73c10a5821ef53520a302fef172d77086e05fc8b245143da68e8.jpg"
	},
	{
		lat: 51.449514,
		lon: -0.289078,
		title: "London skyline from Sawyer's Hill",
		url: "londonskyline",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.453231,
		lon: -0.317359,
		title: "Magnolia Blossom",
		url: "magnoliablossom",
		highres : "http://img3014.photobox.co.uk/65184059f68bc90696b571f3295488af2f30c48572474e2ad3bba62e04b2ed042df37547.jpg"
	},
	{
		lat: 51.456975,
		lon: -0.306877,
		title: "Richmond Bridge in the sun",
		url: "richmondbridgeinsun",
		highres : "http://img4013.photobox.co.uk/2317506031c95fc20304044c035ea80fae62a1fedf3e9f65ddfadadb441e923cad6e4b3e.jpg",
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.450463,
		lon: -0.316393,
		title: "Lady in a red jacket, Marble Hill",
		url: "redjacketinsnow",
		highres : "http://img4013.photobox.co.uk/220117669ea78a35206bb92026b2efe830e681fff554e9506a1cc8c72bdcd52d6f462903.jpg",
		tags : ["landscape", "St Margarets"]
	},
	{
		lat: 51.448284,
		lon: -0.311093,
		title: "Marble Hill House",
		url: "marblehillhouse",
		highres : "http://img3015.photobox.co.uk/929420744dd233b90c57f1d1d96612127d646b688c436f4f079afb09485a24c7864c1543.jpg",
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.439938,
		lon: -0.267749,
		title: "Spankers Hill",
		url: "spankershill",
		highres : "http://img3015.photobox.co.uk/61193306d492ba49c902c15b2aa898d4e674f86188f60ad25f531ec8f9d95b560b4a5d97.jpg",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.438868,
		lon: -0.262964,
		title: "Spankers Hill Wood",
		url: "spankershillwood",
		highres : "http://img3015.photobox.co.uk/0940081012d1dec1f1c7d0f4ee1f5f6c1bc6f0a5ddd0323c9920c9efe3b909e66023de20.jpg",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.456999,
		lon: -0.307252,
		title: "Richmond Bridge",
		url: "richmondbridge_bw",
		highres : "http://img3015.photobox.co.uk/6699889900fa187e5980c867a13bb05c62fd2faa8b129fc68994ce9a63f48b7e7c92d756.jpg",
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.454736,
		lon: -0.300429,
		title: "River Thames view",
		url: "riverthamesview",
		highres : "http://img3015.photobox.co.uk/325816627d232a60e8b21f596661c7958193dbd0d50303f1b9076977a750f647ec3d09ff.jpg",
		tags : ["landscape", "Richmond"]
	},
	{
		lat: 51.424501,
		lon: -0.285838,
		title: "Winter landscape",
		url: "winterlandscape",
		highres : "http://img3015.photobox.co.uk/60221172f72dca51d62a28cf23d7cce4997a5f0034152561941ab38e18986ab9b01a0c82.jpg",
		tags : ["landscape", "Richmond Park"]
	},
	{
		lat: 51.458339,
		lon: -0.307274,
		title: "Richmond Riverside panorama",
		url: "richmondriversidepanorama",
		highres : "http://img3011.photobox.co.uk/829246945227a595006eb745f0032ebe5da9b2ab864e936225384cd97eb5d8c543521d0b.jpg",
		tags : ["landscape", "Richmond"]
	}
];

function nextPrevLinks(){
	if(document.location.href.indexOf("photos/") != -1){
		// get current photo
		var photo_index;
		var prev_link_id = locations.length-1;
		var next_link_id = 0;
		var photo_id = document.location.href.split("photos/")[1].split(".html")[0];
		// find index of current photo
		for(var i=0;i<locations.length;i++){
			if(locations[i].url == photo_id){
				photo_index = i;
			}
		}
		// output
		if(document.getElementById('prevnext')){
			if(photo_index > 0){
				prev_link_id = photo_index-1;
			}
			var prev_link = locations[prev_link_id].url + ".html";
			document.getElementById('prevnext').innerHTML = "<a class='prevphoto' href='"+prev_link+"'>Previous photo</a> ";
			
			if(photo_index < locations.length-1){
				next_link_id = photo_index+1;
			}
			var next_link = locations[next_link_id].url + ".html";
			document.getElementById('prevnext').innerHTML += " <a class='nextphoto' href='"+next_link+"'>Next photo</a>";
		}
	}
}
window.onload = nextPrevLinks;