function Calendar(){
var len=Calendar.arguments.length
if(len==2){
this.month=Calendar.arguments[0]
this.year=Calendar.arguments[1]
}else{
today=new Date()
this.month=today.getMonth()
this.year=today.getYear()
}
this.display=displayCalendar
}
function displayCalendar(){
displayCalendarHeader(this.month,this.year)
if(displayCalendar.arguments.length>0){
var day=displayCalendar.arguments[0]-1
displayDates(day,this.month,this.year,'true')
}else displayDates(0,this.month,this.year,'false')
}
function displayCalendarHeader(month,year){
var days=new Array("日","一","二","三","四","五","六")
var months=new Array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月")
document.writeln("| ")
document.write(year+"年")
document.writeln(months[month]+" | | ")
document.writeln("")
for(var i=0;i"+days[i]+" ")
document.writeln(" ")
}
function displayDates(day,month,year,shade){
d=new Date(year,month,1)
var startDay=d.getDay()
var numDays=numberOfDays(month,year)
var numRows=Math.floor((numDays+startDay)/7)
if((numDays+startDay)%7 >= 1) ++numRows
var currentDate=0
document.write("
|
")
for (var i=0; i")
for (var j=0;j<7;++j){
if(((shade&&day)==currentDate) && ((i*7+j)>=startDay))
document.write("| ")
else
if(j==0 || j==6)
document.write(" | ")
else
document.write(" | ")
if(currentDate>=numDays) document.write(" ")
else if(currentDate>0){
++currentDate
writeDate(currentDate)
}else if(i*7+j>=startDay){
++currentDate
writeDate(currentDate)
}else document.write(" ")
document.writeln(" | ")
}
document.writeln("")
}
document.write(" |
")
}
function numberOfDays(month,year){
var numDays=new Array(31,28,31,30,31,30,31,31,30,31,30,31)
n=numDays[month]
if(month ==1 && year%4==0) ++n
return n
}
function writeDate(n){
document.write(n)
}