var strandingenPerJaar = new Array(1910, 3, 1911, 1, 1912, 3, 1913, 1, 1914, 6, 1915, 1, 1916, 10, 1917, 7, 1918, 9, 1919, 8, 1920, 3, 1921, 7, 1922, 7, 1923, 21, 1924, 12, 1925, 13, 1926, 7, 1927, 9, 1928, 19, 1929, 19, 1930, 19, 1931, 20, 1932, 36, 1933, 72, 1934, 39, 1935, 26, 1936, 23, 1937, 41, 1938, 58, 1939, 22, 1940, 29, 1941, 69, 1942, 22, 1943, 24, 1944, 17, 1945, 21, 1946, 72, 1947, 40, 1948, 30, 1949, 22, 1950, 28, 1951, 31, 1952, 61, 1953, 42, 1954, 38, 1955, 67, 1956, 105, 1957, 67, 1958, 40, 1959, 44, 1960, 38, 1961, 39, 1962, 30, 1963, 17, 1964, 34, 1965, 14, 1966, 5, 1967, 9, 1968, 1, 1969, 1, 1970, 23, 1971, 11, 1972, 24, 1973, 24, 1974, 12, 1975, 20, 1976, 19, 1977, 25, 1978, 32, 1979, 23, 1980, 25, 1981, 43, 1982, 28, 1983, 42, 1984, 23, 1985, 36, 1986, 35, 1987, 28, 1988, 50, 1989, 35, 1990, 67, 1991, 36, 1992, 43, 1993, 36, 1994, 48, 1995, 42, 1996, 47, 1997, 49, 1998, 66, 1999, 93, 2000, 84, 2001, 123, 2002, 111, 2003, 154, 2004, 210, 2005, 306, 2006, 543, 2007, 315, 2008, 311, 2009, 446);
strandingenPerJaar[strandingenPerJaar.length] = 2010;
strandingenPerJaar[strandingenPerJaar.length] = 0;
var strandingJaar = strandingenPerJaar.length - 2;
var timer;

function nextStranding() {
	strandingJaar += (strandingJaar > 0) ? -2: strandingenPerJaar.length-2;
  timer = window.setTimeout("autoStranding()", 5000);
}

function autoStranding() {
	updateStranding();
  nextStranding();
}

function updateStranding() {
  document.getElementById("previousYear").innerHTML = (strandingJaar == 0)? "": "<span>«</span>" + strandingenPerJaar[strandingJaar-2];
  document.getElementById("nextYear").innerHTML = (strandingJaar == strandingenPerJaar.length-2)? "": strandingenPerJaar[strandingJaar+2] + "<span>»</span>";
  document.getElementById("thisYear").innerHTML = "Aantal strandingen in " + strandingenPerJaar[strandingJaar];
  document.getElementById("count").innerHTML = "" + ("0000" + strandingenPerJaar[strandingJaar+1]).slice(-4);
  document.getElementById("count").href = document.getElementById("count").href.replace(/ear=[0-9]{4}/g, "ear=" + strandingenPerJaar[strandingJaar]);
}

function prevStrandingUser() {
	window.clearTimeout(timer);
	strandingJaar += (strandingJaar > 0) ? -2: strandingenPerJaar.length-2;
	updateStranding();
}

function nextStrandingUser() {
	window.clearTimeout(timer);
	strandingJaar += (strandingJaar < strandingenPerJaar.length-2) ? 2: 0;
	updateStranding();
}

function lookupStrandingJaar(jaar) {
	strandingJaar = (jaar - 1910) * 2;
}

addEvent(window, "load", updateStranding);
//addEvent(window, "load", autoStranding);