var num_pages_loading = 0;

function inc_counter() {
	if ( num_pages_loading == 0 ) {
		var style = $('loading').style;
		style.display = 'block';
	}
	num_pages_loading++;
}
function dec_counter() {
	num_pages_loading--;
	if ( num_pages_loading < 1 ) {
		var style = $('loading').style;
		style.display = 'none';
	}
}

// ajax callback functions
function ViewPageContent(response) {
	$('page_content').innerHTML = response.responseText;
	dec_counter();
}
function ViewPage2Content(response) {
	$('page2_content').innerHTML = response.responseText;
	dec_counter();
}
function ViewWeaponContent(response) {
	$('player_stats_weapons').innerHTML = response.responseText;
	dec_counter();
}
function ViewScoringContent(response) {
	$('player_stats_scoring').innerHTML = response.responseText;
	dec_counter();
}
function ViewImplantContent(response) {
	$('player_stats_implants').innerHTML = response.responseText;
	dec_counter();
}

function AjaxLink(args, func) {
	new Ajax.Request( 'http://www.dystopia-stats.com/ajax_handler.php'+args,
		{ method: 'get', onComplete: func } );
	inc_counter();
}

function MakeURL(p, s, c, sort, search, id) {
	var url = '?p='+p;
	if (id != null) url += '&id='+id;
	if (s != null) url += '&s='+s;
	if (c != null) url += '&c='+c;
	if (sort != null) url += '&sort='+sort;
	if (search != null && search.length) url += '&search='+search;
	return url;
}

// players
function ViewPlayers(s, c, sort, search) {
	AjaxLink( MakeURL( 'players', s, c, sort, search ), ViewPageContent );
}
function ViewPlayerServers(s, c, sort, search) {
	var id = document.getElementById('player_id').value;
	AjaxLink( MakeURL( 'player_servers', s, c, sort, search, id ), ViewPage2Content );
}
function ViewPlayerRounds(s, c, sort, search) {
	var id = $('player_id').value;
	AjaxLink( MakeURL( 'player_rounds', s, c, sort, search, id ), ViewPage2Content );
}
function ViewPlayerMaps(s, c, sort, search) {
	var id = $('player_id').value;
	AjaxLink( MakeURL( 'player_maps', s, c, sort, search, id ), ViewPage2Content );
}
function ViewPlayerNicknames(s, c, sort, search) {
	var id = $('player_id').value;
	AjaxLink( MakeURL( 'player_nicknames', s, c, sort, search, id ), ViewPage2Content );
}
function ViewPlayerWeapons(s, c, sort, search) {
	var id = $('player_id').value;
	AjaxLink( MakeURL( 'player_weapons', s, c, sort, search, id ), ViewWeaponContent );
}
function ViewPlayerScoring(s, c, sort, search) {
	var id = $('player_id').value;
	AjaxLink( MakeURL( 'player_scoring', s, c, sort, search, id ), ViewScoringContent );
}
function ViewPlayerImplants(s, c, sort, search) {
	var id = $('player_id').value;
	AjaxLink( MakeURL( 'player_implants', s, c, sort, search, id ), ViewImplantContent );
}

// servers
function ViewServers(s, c, sort, search) {
	AjaxLink( MakeURL( 'servers', s, c, sort, search ), ViewPageContent );
}
function ViewServerPlayers(s, c, sort, search) {
	var id = $('server_id').value;
	AjaxLink( MakeURL( 'server_players', s, c, sort, search, id ), ViewPage2Content );
}
function ViewServerWeapons(s, c, sort, search) {
	var id = $('server_id').value;
	AjaxLink( MakeURL( 'server_weapons', s, c, sort, search, id ), ViewPage2Content );
}
function ViewServerImplants(s, c, sort, search) {
	var id = $('server_id').value;
	AjaxLink( MakeURL( 'server_implants', s, c, sort, search, id ), ViewPage2Content );
}
function ViewServerScoring(s, c, sort, search) {
	var id = $('server_id').value;
	AjaxLink( MakeURL( 'server_scoring', s, c, sort, search, id ), ViewPage2Content );
}
function ViewServerObjectives(s, c, sort, search) {
	var id = $('server_id').value;
	AjaxLink( MakeURL( 'server_objectives', s, c, sort, search, id ), ViewPage2Content );
}
function ViewServerRounds(s, c, sort, search) {
	var id = $('server_id').value;
	AjaxLink( MakeURL( 'server_rounds', s, c, sort, search, id ), ViewPage2Content );
}

// weapons
function ViewWeapons(s, c, sort, search) {
	AjaxLink( MakeURL( 'weapons', s, c, sort, search ), ViewPageContent );
}
function ViewWeaponPlayers(s, c, sort, search) {
	var id = $('weapon_id').value;
	AjaxLink( MakeURL( 'weapon_players', s, c, sort, search, id ), ViewPage2Content );
}
function ViewWeaponMaps(s, c, sort, search) {
	var id = $('weapon_id').value;
	AjaxLink( MakeURL( 'weapon_maps', s, c, sort, search, id ), ViewPage2Content );
}
function ViewWeaponClasses(s, c, sort, search) {
	var id = $('weapon_id').value;
	AjaxLink( MakeURL( 'weapon_classes', s, c, sort, search, id ), ViewPage2Content );
}

// implants
function ViewImplants(s, c, sort, search) {
	AjaxLink( MakeURL( 'implants', s, c, sort, search ), ViewPageContent );
}
function ViewImplantPlayers(s, c, sort, search) {
	var id = $('implant_id').value;
	AjaxLink( MakeURL( 'implant_players', s, c, sort, search, id ), ViewPage2Content );
}
function ViewImplantMaps(s, c, sort, search) {
	var id = $('implant_id').value;
	AjaxLink( MakeURL( 'implant_maps', s, c, sort, search, id ), ViewPage2Content );
}
function ViewImplantClasses(s, c, sort, search) {
	var id = $('implant_id').value;
	AjaxLink( MakeURL( 'implant_classes', s, c, sort, search, id ), ViewPage2Content );
}

// maps
function ViewMaps(s, c, sort, search) {
	AjaxLink( MakeURL( 'maps', s, c, sort, search ), ViewPageContent );
}
function ViewMapObjectives(s, c, sort, search) {
	var id = $('map_id').value;
	AjaxLink( MakeURL( 'map_objectives', s, c, sort, search, id ), ViewPage2Content );
}
function ViewMapPlayers(s, c, sort, search) {
	var id = $('map_id').value;
	AjaxLink( MakeURL( 'map_players', s, c, sort, search, id ), ViewPage2Content );
}
function ViewMapTeams(s, c, sort, search) {
	var id = $('map_id').value;
	AjaxLink( MakeURL( 'map_teams', s, c, sort, search, id ), ViewPage2Content );
}
function ViewMapClasses(s, c, sort, search) {
	var id = $('map_id').value;
	AjaxLink( MakeURL( 'map_classes', s, c, sort, search, id ), ViewPage2Content );
}

// scoring
function ViewScoring(s, c, sort, search) {
	AjaxLink( MakeURL( 'scoring', s, c, sort, search ), ViewPageContent );
}

// rounds
function ViewRounds(s, c, sort, search) {
	AjaxLink( MakeURL( 'rounds', s, c, sort, search ), ViewPageContent );
}

// objectives
function ViewObjectives(s, c, sort, search) {
	AjaxLink( MakeURL( 'objectives', s, c, sort, search ), ViewPageContent );
}