another try ...: 2007

Tuesday, December 18, 2007

Canon Lens Birthday Code Decoder / JS 1.0.0

Latest version avaliable at here.

Canon Lens Birthday Code Decoder / JS is a collection of JavaScript embedable in your HTML, which can show the manufacturing factory, production date and age of some Canon lenses with a lens date code printed at the tail of the lens mount.

Just type in a valid code (eg. UK0129) at the input box below and get the age of your Canon lens.

Code:

How to make it work on your web:

Make a backup of your HTML before making any change.
Copy the following code and paste it between the <BODY> and </BODY> tags of your HTML without modification.
<SCRIPT language="JavaScript"> function decodeFactory(code){ switch(code){ case 'F': return 'Fukushima-shi, Fukushima, Japan'; break; case 'K': return 'Kitsuki-shi, Oita, Japan'; break; case 'M': return 'Koyu-gun, Miyazaki, Japan'; break; case 'O': return 'Higashikunisaki-gun, Oita, Japan'; break; case 'S': return 'Nagahama-shi, Shiga, Japan'; break; case 'T': return 'Tan Tzu Hsiang, Taichung Hsien, Taiwan'; break; case 'U': return 'Utsunomiya-shi, Tochigi, Japan'; break; default: return 'an unkown factory'; } } function decodeYear1(code){ yearList = new Array( 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1978, 1980, 1981, 1982, 1983, 1984, 1985 ); return yearList[code.charCodeAt(0) - 65]; } function decodeYear2(code){ yearList = new Array( 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 ); return yearList[code.charCodeAt(0) - 65]; } function decodeMonth(code){ code = code - 1; monthList = new Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"); return monthList[code]; } function calAge(year, month){ month = month - 1; now = new Date(); if(year > now.getFullYear()){ return 'undefined'; }else if (year == now.getFullYear() & month > now.getMonth()){ return 'undefined'; }else{ if(month <= now.getMonth()){ yearDiff = now.getFullYear() - year; monthDiff = now.getMonth() - month; }else{ yearDiff = now.getFullYear() - year - 1; monthDiff = (now.getMonth() - 1) + (13 - month); } age = "" + yearDiff + " year"; if(yearDiff > 1){ age = age + "s"; } if(monthDiff > 0){ age = age + " " + monthDiff + " month"; if(monthDiff > 1){ age = age + "s"; } } return age; } } function decode(code){ code = code.toUpperCase(); if(code.length != 6){ result = "Invalid code [" + code + "]."; }else{ month = new Number(code.substr(2,2)); year1 = decodeYear1(code.substr(1,1)); year2 = decodeYear2(code.substr(1,1)); age1 = calAge(year1, month); age2 = calAge(year2, month); factory = decodeFactory(code.substr(0,1)); if (isNaN(month) || month == 0 || month > 12 || year1 == 'undefined' || age1 == 'undefined'){ result = "Invalid code [" + code + "]."; }else{ result = "Your Canon lens with code [" + code + "], was born on the " + decodeMonth(month) + " of " + year1; if(age2 != 'undefined'){ result = result + " or " + year2; } result = result + " at " + factory + ". Aged " + age1; if(age2 != 'undefined'){ result = result + ' or ' + age2; } result = result + "."; } } return result; } function decodeCanonLensAge(code,resultElementID){ element = document.getElementById(resultElementID); element.innerHTML = decode(code.value); } </SCRIPT> <P>Code: <INPUT type="text" name="code" size="20" onkeyup="javascript:decodeCanonLensAge(this, 'canonLensAge');" maxlength="6"></P> <P id="canonLensAge"></P>
Save your work.
Done.

Environment tested:

Browser / OS	Test result
Firefox 2 / Mac OS X 10.4 PPC	Work
Firefox 2 / Windows XP	Work
Internet Explorer 6 / Windows 2000 Professional	Work
Internet Explorer 6 / Windows XP	Work
Safari 3 / Mac OS X 10.4 PPC	Work

Version history:

Version	Date	Description
1.0.0	18 December 2007	Initial public release

Distribution:
You are free to make copy, modification and distribution of this script. But please make a back link to this page, so that the original source can be reached in case of needed.

This script is provided as is. I will not resposible for any result caused by using it.

Enjoy & merry X'mas.

Sunday, September 30, 2007

The last night of Queen's Theatre

Queen's Theatre, Central, Hong Kong, 2007

The last traditional large screen theatre in Hong Kong, the Queen's Theatre, is to be closed tonight after serving the Hong Konger for 40+ years. More history here.

Wednesday, August 01, 2007

A turn

The Queen's Pier culture protectors sucessfully file a judicial review of the government's refusal to declare Queen's Pier a monument. Supporters gather at the pier against the government's midnight eviction deadline.

another try ...

Saturday, December 29, 2007

Inside the iron cage

Sunday, December 23, 2007

Christmas dance

Tuesday, December 18, 2007

Canon Lens Birthday Code Decoder / JS 1.0.0

Monday, December 10, 2007

The magic moment

Tuesday, December 04, 2007

Little egret

Sunday, November 18, 2007

翻天覆地

Saturday, November 10, 2007

Old home

Thursday, November 01, 2007

Goodbye, Lee Tung Street

Saturday, October 20, 2007

Halloween @ Tai Yuen Street

Monday, October 15, 2007

Scripting

Sunday, October 07, 2007

Chasing

Sunday, September 30, 2007

The last night of Queen's Theatre

Wednesday, September 26, 2007

Celebrating in the rain

Tai Hang fire dragon dance

Sunday, September 23, 2007

Lantern shops

Sunday, September 09, 2007

The sequence ... 09

Saturday, August 18, 2007

Ngau Tau Kok Yu Lan Festival

Friday, August 10, 2007

The individual visitors and the typhoon

Thursday, August 02, 2007

The eviction of Queen's Pier

Wednesday, August 01, 2007

A turn