function check()
{
var myindex=document.form1.year.selectedIndex;
var cyear=document.form1.year.options[myindex].value;

if ((cyear==1934) || (cyear==1946) || (cyear==1958) || (cyear==1970) || (cyear==1982) || (cyear==1994) || (cyear==2006)  || (cyear==2018) || (cyear==2030))
{
  location="dog.htm";
  history.go(location);
}
// For Rabbit
if ((cyear==1927) || (cyear==1939) || (cyear==1951) || (cyear==1963) || (cyear==1975) || (cyear==1987) || (cyear==1999)  || (cyear==2011) || (cyear==2023))
{ 
  location="rabbit.htm";
  history.go(location);
}
// For Dragon
if ((cyear==1928) || (cyear==1940) || (cyear==1952) || (cyear==1964) || (cyear==1976) || (cyear==1988) || (cyear==2000)  || (cyear==2012) || (cyear==2024))
{ 
location="dragon.htm";
  history.go(location);
}
// For Goat/sheep
if ((cyear==1931) || (cyear==1943) || (cyear==1955) || (cyear==1967) || (cyear==1979) || (cyear==1991) || (cyear==2003)  || (cyear==2015) || (cyear==2027))
{ 
  location="goat.htm";
  history.go(location);
}
// For Horse
if ((cyear==1930) || (cyear==1942) || (cyear==1954) || (cyear==1966) || (cyear==1978) || (cyear==1990) || (cyear==2002)  || (cyear==2014) || (cyear==2026))
{ 
location="horse.htm";
  history.go(location);
}
// For Monkey
if ((cyear==1932) || (cyear==1944) || (cyear==1956) || (cyear==1968) || (cyear==1980) || (cyear==1992) || (cyear==2004)  || (cyear==2016) || (cyear==2028))
{ 
location="monkey.htm";
  history.go(location);
}
// For Ox
if ((cyear==1925) || (cyear==1937) || (cyear==1949) || (cyear==1961) || (cyear==1973) || (cyear==1985) || (cyear==1997)  || (cyear==2009) || (cyear==2021))
{
  location="ox.htm";
  history.go(location); 
//window.location.href = "ox.htm";
}
// For Pig
if ((cyear==1935) || (cyear==1947) || (cyear==1959) || (cyear==1971) || (cyear==1983) || (cyear==1995) || (cyear==2007)  || (cyear==2019) || (cyear==2031))
{ 
location="pig.htm";
  history.go(location);
//window.location.href = "pig.htm";
}
// For Rat
if ((cyear==1924) || (cyear==1936) || (cyear==1948) || (cyear==1960) || (cyear==1972) || (cyear==1984) || (cyear==1996)  || (cyear==2008) || (cyear==2020))
{ 
location="rat.htm";
  history.go(location);
//window.location.href = "rat.htm";
}
// For Rooster
if ((cyear==1933) || (cyear==1945) || (cyear==1957) || (cyear==1969) || (cyear==1981) || (cyear==1993) || (cyear==2005)  || (cyear==2017) || (cyear==2029))
{ 
location="rooster.htm";
  history.go(location);
//window.location.href = "rooster.htm";
}
// For Snake
if ((cyear==1929) || (cyear==1941) || (cyear==1953) || (cyear==1965) || (cyear==1977) || (cyear==1989) || (cyear==2001)  || (cyear==2013) || (cyear==2025))
{ 
  location="snake.htm";
  history.go(location);
//window.location.href = "snake.htm";
}
// For Tiger
if ((cyear==1926) || (cyear==1938) || (cyear==1950) || (cyear==1962) || (cyear==1974) || (cyear==1986) || (cyear==1998)  || (cyear==2010) || (cyear==2022))
{ 
  location="tiger.htm";
  history.go(location);
//window.location.href = "tiger.htm";
}

}