function contact_send() {
	var contact_form_ok=true;
	var fields = ["name","lastname","email","comments"];
	$.each(fields, function() {
		if ($('#'+this).val()=="") {
			$('#error-'+this).show();
			contact_form_ok=false;
		} else {
			$('#error-'+this).hide();
		}
	});
	if (contact_form_ok) {
		$('#contact-form').submit()	
	}
}


var home_nphotos;
var home_currentphoto;
function home_photo_move(direction) {
	switch (direction) {
		case "r":
			home_currentphoto++;
			if (home_currentphoto>home_nphotos) home_currentphoto=1;
		break;
		case "l":
			home_currentphoto--;
			if (home_currentphoto==0) home_currentphoto=home_nphotos;
		break;
	}
	
	$.ajax({
		type: 'POST',
		url: '../home/get-photo.ajax.php',
		data: 'id='+home_currentphoto,
		dataType: 'json',
		success: function(data) {
			$('#photo-home-img img').attr("src","img/photo-"+home_currentphoto+".jpg");
			$('#photo-home-txt').html("<h2><a href='"+data.link+"'>"+data.title+"</a></h2><a href='"+data.link+"'>"+data.text+"</a>");
			$('#photo-home-img a').attr("href",data.link);
		}
	});
	
}


menu_active_submenu="";
function menu_open_submenu(s) {
	if (menu_active_submenu!=s && menu_active_submenu!="") menu_close_submenu();
	$('#submenu-'+s).show();
	menu_active_submenu=s;
	$('#menu-'+s).addClass("open");
}
function menu_close_submenu() {
	$('#submenu-'+menu_active_submenu).hide();
	$('#menu-'+menu_active_submenu).removeClass("open");
}

boats_nphotos=new Array();
boats_currentphoto=new Array();
function boats_next_photo(id_boat) {
	boats_currentphoto[id_boat]++;
	boats_update_photo(id_boat);
}
function boats_previous_photo(id_boat) {
	boats_currentphoto[id_boat]--;
	boats_update_photo(id_boat);
}
function boats_update_photo(id_boat) {
	$('#boat-photo-'+id_boat+' a img').attr("src","../imgdb/img-"+eval("boats_photos_"+id_boat+"["+boats_currentphoto[id_boat]+"]")+".jpg");
	$('#boat-photo-'+id_boat+' a').attr("href","../imgdb/img-"+eval("boats_photos_"+id_boat+"["+boats_currentphoto[id_boat]+"]")+".jpg");
	
	if (boats_currentphoto[id_boat]<boats_nphotos[id_boat]) {
		$('#button-next-'+id_boat).show();
	} else {
		$('#button-next-'+id_boat).hide();
	}
	
	if (boats_currentphoto[id_boat]>1) {
		$('#button-previous-'+id_boat).show();
	} else {
		$('#button-previous-'+id_boat).hide();
	}
}

var sailingclubs_current_hover="";
function sailingclubs_hover(club) {
	if (sailingclubs_current_hover!="") {
		$('#point-'+sailingclubs_current_hover+' a').removeClass('hover');
		$('#list-'+sailingclubs_current_hover+' a').removeClass('hover');
	}
	$('#point-'+club+' a').addClass('hover');
	$('#list-'+club+' a').addClass('hover');
	sailingclubs_current_hover=club;
}