//<!--

//---------------------------------------------------------------------------
//
// File:    DHTMLCal.js
//
// Purpose: This is the source file for the DHTML Calendar
//
//	    This program is shareware
//          If you use this program, please send $20
//          You'll find the address to send to at
//          http://www.geocities.com/dshipe/cadown.htm
//
// Author:  Dan Shipe
//          dshipe@writeme.com
//          http://www.geocities.com/dshipe
//
//    Date    By  Description
// ---------- --- ----------------------------------------------------------
// 08/11/1998 DS  Initial creation.
//---------------------------------------------------------------------------

/*
 font point size chart
 size 1 	=  8pt
 size 2		= 10pt
 size 3		= 12pt
 size 4		= 14pt
 size 5		= 18pt
 size 6		= 24pt
*/

// ---------------------------------------------------------------------------
// initialization

var R = "\r\n";

var mclrBlack =		"#000000";
var mclrWhite =		"#ffffff";
var mclrDeadWhite = 	"#fffffe";
var mclrOffWhite = 	"#e1e1e1";
var mclrLightGray = 	"#c0c0c0";
var mclrGray =		"#888888";

var mclrYellow =        "#ffe1c0";
var mclrPurple =	"#ff00ff";
var mclrBlue =		"#0000ff";
var mclrRed =		"#ff0000";
var mclrGreen =		"#00ff00";
var mclrPink =		"#ffc0c0";

var mclrLightYellow =	"#ffffc0";
var mclrLightOrange =	"#e1e1c0";

var mclrDarkPurple =	"#880088";
var mclrDarkBlue =	"#000088";
var mclrDarkRed =	"#880000";
var mclrDarkGreen =	"#008800";

// ---------------------------------------------------------------------------
// custom sizes, colors and fonts

var mclrTableBg  = "#333333";     // table background DO NOT CHANGE
var mclrDead	 = "#c0c0c0";     // background date cell color - unused this month
var mclrNow	 = "#EEEEE3";     // background date cell color - the current date
var mclrPast	 = "#CCCCCC";     // background date cell color - previous dates
var mclrFuture	 = "#EEEEEE";     // background date cell color - future dates
var mclrBorder	 = "#000000";     // border color of calendar

var mnCellWidth  = 71;            // width of weekday columns and dates
var mnCellHeight = 71;            // height of date cells

// font sizes and colors for the weekday headers (Mon, Tues, Wed...)
var mclrHdrBg	  = mclrBorder;
var mclrHdrText	  = "#000000";
var mstrHdrFace   = "Arial, Helvetica";
var mstrHdrSize   = "1";

// font sizes and colors for date (1st, 3rd, 15th...)
var mclrNumText	  = "#000000";
var mstrNumFace   = "Arial, Helvetica";
var mstrNumSize   = "1";

// font sizes and colors for the event text
var mclrCellText   = "#000000";
var mstrCellFace   = "Arial, Helvetica";
var mstrCellSize   = "1";

var maDaysPerMonth = new Array( 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 );
var maLongDays	   = new Array( "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");
var maLongMonths   = new Array( "January", "February", "March", "April",
	 		"May", "June", "July", "August",
			"September", "October", "November", "December" );

var maYear = new Array();
var maMonth = new Array();
var maDay = new Array();
var maText = new Array();

// ---------------------------------------------------------------------------------------
function dhtmlcal_SetEvent( m, d, y, strText) {
	var x = maDay.length;

	 maYear[x + 1] = y;
	maMonth[x + 1] = m-1;
	  maDay[x + 1] = d;
	 maText[x + 1] = strText;
}

// ---------------------------------------------------------------------------------------
function dhtmlcal_GetEvent( m, d, y ) {
	var x = 0;
	while( x < maDay.length ) {
		if ( y == maYear[x] ) {
			if ( m == maMonth[x] ) {
				if ( d == maDay[x] ) {
					return maText[x];
				}
			}
		}
		x++;
	}
	return "&nbsp;";
}

// ---------------------------------------------------------------------------------------
function dhtmlcal_CheckLeapYear(m, y) {
	var x = 2;

	if ( m == x ) {
        	if ( y % 4 == 0 ) {
               		if ( y % 100 == 0) {
                    		if ( y % 400 == 0) maDaysPerMonth[x] = 29;
               		} else {
                    		maDaysPerMonth[x] = 29;
			}
		}
	}
}

// ---------------------------------------------------------------------------------------
function dhtmlcal_FillMonth( m ) {
	var strHTML = "";

	for ( i=0; i<=11; i++ ) {
		var strSelected = "";
		if ( i == m ) strSelected = "selected";

		strHTML = strHTML + "<option value='" + i + "' " + strSelected + " >" + maLongMonths[i] + "</option>" + R;
	};
	return strHTML;
}

// ---------------------------------------------------------------------------------------
function dhtmlcal_FillYear( y ) {
	var strHTML = "";

	for ( i=2004; i<=y+1; i++ ) {
		var strSelected = "";
		if ( i == y ) strSelected = "selected";

		strHTML = strHTML + "<option value='" + i + "' " + strSelected + " >" + i + "</option>" + R;
	};
	return strHTML;
}

// ---------------------------------------------------------------------------------------
function dhtmlcal_Form( m, y ) {
	var strHTML;
	var strTag;
	var strOutput = "";

	// ----- begin form
	strHTML = "<form name='frmCal' method='post' action=''>" + R;
	strOutput = strOutput + strHTML;

	// ----- begin table
	strHTML = "<table align=center"
		+ " width='" + (mnCellWidth * 7) + "'"
		+ " cellspacing='1'"
		+ " cellpadding='2'"
		+ " bgcolor=" + "#000000"
		+ " >" + R;
	strOutput = strOutput + strHTML;

	// ----- month & year selector
	strHTML = "<tr><td"
		+ " bgcolor=" + "#CCCCCC"
		+ " ><center>" + R + R;
	strOutput = strOutput + strHTML;

	// ----- month combo
	strHTML = "<select name='cboMonth'"
		+ " onchange='dhtmlcal_Update("
		+ " frmCal.cboMonth.options[frmCal.cboMonth.selectedIndex].value,"
		+ " frmCal.cboYear.options[frmCal.cboYear.selectedIndex].value);'>" + R
		+ dhtmlcal_FillMonth(m)
		+ "</select>" + R + R;
	strOutput = strOutput + strHTML;

	// ----- year combo
	strHTML = "&nbsp"
		+ "<select name='cboYear'"
		+ " onchange='dhtmlcal_Update("
		+ " frmCal.cboMonth.options[frmCal.cboMonth.selectedIndex].value,"
		+ " frmCal.cboYear.options[frmCal.cboYear.selectedIndex].value);'>" + R
		+ dhtmlcal_FillYear(y)
		+ "</select>" + R + R;
	strOutput = strOutput + strHTML;

	strHTML = "</center></td></tr>" + R + "</form></table><br>" + R + R;
	strOutput = strOutput + strHTML;

	document.writeln(strOutput);
}

// ---------------------------------------------------------------------------------------
function dhtmlcal_Draw( m, y ) {
	var strOutput;

	strOutput = dhtmlcal_Create( m, y );

	if (!document.all) {
		document.CALLAYER.document.writeln(strOutput);
	} else {
		document.writeln(strOutput);
	}
}

// ---------------------------------------------------------------------------------------
function dhtmlcal_Update( m, y ) {
	var strHTML = dhtmlcal_Create( m, y );

	if (!document.all) {
		// ---- NETSCAPE
		document.CALLAYER.document.write(strHTML);
		document.CALLAYER.document.close();
	} else {
		// ---- INTERNET EXPLORER
		strHTML = dhtmlcal_Create( m, y );
		document.all["CALDIV"].innerHTML = strHTML;
  	}
}

// ---------------------------------------------------------------------------------------
function dhtmlcal_CheckColor( j, i, x, dteCal, dteNow, m ) {
	var strID = "r" + i + "c" + j;
	var currD = dteCal.getDay();
	var currM = dteCal.getMonth();
	var currY = dteCal.getYear();

	// Is this a "dead" cell?
	if ( currD > (i + x) || currM != m ) {
		return mclrDead;
	} else {
		if ( dteCal.getYear() < dteNow.getYear()) {
			return mclrPast;
		} else if (dteCal.getYear() > dteNow.getYear()) {
			return mclrFuture;
		} else {
			// Same year...
			if (dteCal.getMonth() < dteNow.getMonth() ) {
				return mclrPast;
			} else if (dteCal.getMonth() > dteNow.getMonth() ) {
				return mclrFuture;
			} else {
				// Same month...
				if (dteCal.getDate() < dteNow.getDate()) {
					return mclrPast;
				} else if (dteCal.getDate() > dteNow.getDate()) {
					return mclrFuture;
				} else {
					return mclrNow;
				}
			}
		}
	}
}

// ---------------------------------------------------------------------------------------
function dhtmlcal_Create( m, y ) {
	var strOutput = "";
	var strHTML;
	var strID;
	var nColor;
	var strCell;
	var strNum;
	var strText;
	var strTag;

	var dteNow = new Date();
	var dteCal = new Date(y, m, 1);
	dhtmlcal_CheckLeapYear(m, y);


	// ----- find the first day and subrtact back to Sun
	dteCal.setDate( dteCal.getDate() - dteCal.getDay() );

	// ----- begin table
	strHTML = "<table align=center"
		+ " bgColor=" + mclrTableBg
		+ " border='0'"
		+ " cellspacing='1'"
		+ " cellpadding='2'"
		+ " bordercolor='" + "#222222" + "'"
		+ " bordercolordark='" + "#000000" + "'"
		+ " bordercolorlight='" + "#333333" + "'"
		+ " width='" + (mnCellWidth * 7) + "'"
		+ " >";
	strOutput = strOutput + strHTML + R + R;

	// ----- Create the WEEKDAY headers
	strOutput = strOutput + "<tr>" + R;
	for( i = 0; i < 7; i++) {
		strHTML = "<td align=center bgcolor=#aaaaaa"
			+ " width='" + mnCellWidth + "'"
			+ " bgcolor=" + mclrHdrBg
			+ " >"
			+ dhtmlcal_FontStr( mstrHdrFace, mstrHdrSize, mclrHdrText )
			+ " <b><center>" + maLongDays[i]
			+ " </center></b></font></td>";
		strOutput = strOutput + strHTML + R;
	}
	strOutput = strOutput + "</tr>" + R + R;

	// ----- now create calendar grid ( 7 columns by 6 rows )
	for (j = 0; j < 6; j++)	{

		x = 0;
		strOutput = strOutput + "<tr>"; // + R;
		for( i = 0; i < 7; i++) {

			// ----- create unique ID
			strID = "r" + i + "c" + j;

			// ----- determine color and text
			nColor = dhtmlcal_CheckColor( j, i, x, dteCal, dteNow, m );
			if (nColor == mclrDead) {
				strCell="&nbsp;";
			} else {
				strNum = dteCal.getDate();
				strText =  dhtmlcal_GetEvent(dteCal.getMonth(), dteCal.getDate(), dteCal.getFullYear());
				if (strText=="") strText=" ";
				strCell = dhtmlcal_FontStr(mstrNumFace, mstrNumSize, mclrNumText)
					+ "<b>" + strNum + "</b></font>"
					+ "<br>"
					+  dhtmlcal_FontStr(mstrCellFace, mstrCellSize, mclrCellText)
					+ strText + "</font>";
			}

			// ----- HTML for cell
			strHTML = "<td valign=top"
				+ " width=" + mnCellWidth
				+ " height=" + mnCellHeight
				+ " bgcolor=" + nColor
				+ " >";
			strOutput = strOutput + strHTML + strCell + "</td>" + R;

			dteCal.setDate( dteCal.getDate() + 1 );
		}
		x = x + 7;
		strOutput = strOutput + "</tr>" + R + R;
	}

	strOutput = strOutput + "</table><br><br>";

	return strOutput;
}

// ---------------------------------------------------------------------------------------
function dhtmlcal_FontStr ( strFace, strSize, strColor ) {
	var strHTML = "<font"
		+ " face='"  + strFace  + "'"
		+ " size='"  + strSize  + "'"
		+ " color='" + strColor + "'"
		+ " >";
	return strHTML;

}
//-->