【图】HTML组件之:CALENDAR HTC

===CALENDAR HTC===

<HEAD
<?IMPORT NAMESPACE="ANYDAY" IMPLEMENTATION="day.htc"/
<?IMPORT NAMESPACE="TODAY" IMPLEMENTATION="today.htc"/

<PUBLIC:COMPONENT tagName="CALENDAR"
<ATTACH EVENT="oncontentready" ONEVENT="fnInit()"/
</PUBLIC:COMPONENT

<SCRIPT LANGUAGE="JavaScript"
<!--
function fnInit() {
defaults.viewLink = document;
}
// --
</SCRIPT

<STYLE
TD {
background-color:tan;
width:50;
height:50;
}
</STYLE
</HEAD

<BODY
<SCRIPT LANGUAGE="JavaScript"
<!--

setCal();

function leapYear(year) {
if (year % 4 == 0) {// basic rule
return true; // is leap year
}
/* else */ // else not needed when statement is "return"
return false; // is not leap year
}

function getDays(month, year) {
// create array to hold number of days in each month
var ar = new Array(12);
ar[0] = 31; // January
ar = (leapYear(year)) ? 29 : 28; // February
ar = 31; // March
ar = 30; // April
ar = 31; // May
ar = 30; // June
ar = 31; // July
ar = 31; // August
ar = 30; // September
ar = 31; // October
ar = 30; // November
ar = 31; // December

// return number of days in the specified month (parameter)
return ar[month];
}

function getMonthName(month) {
// create array to hold name of each month
var ar = new Array(12);
ar[0] = "January";
ar = "February";
ar = "March";
ar = "April";
ar = "May";
ar = "June";
ar = "July";
ar = "August";
ar = "September";
ar = "October";
ar = "November";
ar = "December";

// return name of specified month (parameter)
return ar[month];
}

function setCal() {
// standard time attributes
var now = new Date();
var year = now.getFullYear();
var month = now.getMonth();
var monthName = getMonthName(month);
var date = now.getDate();
now = null;

// create instance of first day of month, and extract the day on which it occurs
var firstDayInstance = new Date(year, month, 1);
var firstDay = firstDayInstance.getDay();
firstDayInstance = null;

// number of days in current month
var days = getDays(month, year);

// call function to draw calendar
drawCal(firstDay + 1, days, date, monthName, year);
}

function drawCal(firstDay, lastDate, date, monthName, year) {
// constant table settings
//var headerHeight = 50 // height of the table's header cell
var border = 2; // 3D height of table's border
var cellspacing = 4; // width of table's border
var headerColor = "midnightblue"; // color of table's header
var headerSize = "+3"; // size of tables header font
var colWidth = 60; // width of columns in table
var dayCellHeight = 25; // height of cells containing days of the week
var dayColor = "darkblue"; // color of font representing week days
var cellHeight = 40; // height of cells representing dates in the calendar
var todayColor = "red"; // color specifying today's date in the calendar
var timeColor = "purple"; // color of font representing current time

// create basic table structure
var text = ""; // initialize accumulative variable to empty string
text += '<TABLE BORDER=' + border + ' CELLSPACING=' + cellspacing + ''; // table settings
text += '<TH COLSPAN=7 HEIGHT=' + 10 + ''; // create table header cell
text += '<FONT COLOR="' + headerColor + '" SIZE=' + headerSize + ''; // set font for table header
text += monthName + ' ' + year;
text += '</FONT'; // close table header's font settings
text += '</TH'; // close header cell

// variables to hold constant settings
var openCol = '<TD WIDTH=' + colWidth + ' HEIGHT=' + dayCellHeight + '';
openCol += '<FONT COLOR="' + dayColor + '"';
var cl