function date (form){
var serial=form.inputbox.value;
if(serial<=0)
	{message="That was an invalid serial number";year="";}
else{
message="Your Winchester Model 1895 was manufactured in ";
if(serial<=287)
	{year=1895;}
else{
if(serial<=5715)
	{year=1896;}
else{
if(serial<=7814)
	{year=1897;}
else{
if(serial<=19871)
	{year=1898;}
else{
if(serial<=26434)
	{year=1899;}
else{
if(serial<=29817)
	{year=1900;}
else{
if(serial<=31584)
	{year=1901;}
else{
if(serial<=36601)
	{year=1902;}
else{
if(serial<=42514)
	{year=1903;}
else{
if(serial<=47805)
	{year=1904;}
else{
if(serial<=54783)
	{year=1905;}
else{
if(serial<=55011)
	{year=1906;}
else{
if(serial<=57351)
	{year=1907;}
else{
if(serial<=60002)
	{year=1908;}
else{
if(serial<=60951)
	{year=1909;}
else{
if(serial<=63771)
	{year=1910;}
else{
if(serial<=65017)
	{year=1911;}
else{
if(serial<=67331)
	{year=1912;}
else{
if(serial<=70823)
	{year=1913;}
else{
if(serial<=72082)
	{year=1914;}
else{
if(serial<=174233)
	{year=1915;}
else{
if(serial<=377411)
	{year=1916;}
else{
if(serial<=389106)
	{year=1917;}
else{
if(serial<=392731)
	{year=1918;}
else{
if(serial<=397250)
	{year=1919;}
else{
if(serial<=400463)
	{year=1920;}
else{
if(serial<=404075)
	{year=1921;}
else{
if(serial<=407200)
	{year=1922;}
else{
if(serial<=410289)
	{year=1923;}
else{
if(serial<=413276)
	{year=1924;}
else{
if(serial<=417402)
	{year=1925;}
else{
if(serial<=419533)
	{year=1926;}
else{
if(serial<=421584)
	{year=1927;}
else{
if(serial<=422676)
	{year=1928;}
else{
if(serial<=423680)
	{year=1929;}
else{
if(serial<=424181)
	{year=1930;}
else{
if(serial<=425132)
	{year=1931;}
else{
if(serial<=425825)
	{year=1932;}
else{
if(serial<=425929)
	{year=1933;}
else{
if(serial<=426104)
	{year=1934;}
else{
if(serial<=426348)
	{year=1935;}
else{
if(serial<=426712)
	{year=1936;}
else{
if(serial<=426729)
	{year=1937;}
else{
if(serial<=426747)
	{year=1938;}
else{
if(serial<=426753)
	{year=1939;}
else{
if(serial<=426754)
	{year=1940;}
else{message="That was an invalid serial number";year="";}
}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
alert (message + year +".");
}