// Mod: Special Days V1.0
// Core: Xin Calendar (In-Page Core) V1.0

// Author: Xin Yang
// Last Modified: 24-Jun-2003

// User interface
function setLoopWeek(fcolor, bgcolor, start, step) {
  var dc=0, arg="";

  for (var i=4; i<setLoopWeek.arguments.length; i++) {
    if (setLoopWeek.arguments[i].search(/(sun|mon|tue|wed|thu|fri|sat)/i)!=-1) {
      arg=RegExp.$1.toLowerCase();
      for (var j=0; j<yxDays3.length; j++) {
        if (yxDays3[j]==arg) {
          dc=j;
          break;
        }
      }

      for (wc=start-1; wc<6; wc+=step) {
        yxForWeek[wc][dc]=new yxCellColors(fcolor,bgcolor);
        if (dc==0) {
          yxForWeek[wc][7]=new yxCellColors(fcolor,bgcolor);
        }
      }
    }
  }
}

function setLoopYear(fcolor, bgcolor, format) {
  var m, d, arg;
  var mIdx=format.search(/mm/i), m3Idx=format.search(/mon/i), dIdx=format.search(/dd/i);
  var df=new RegExp('^'+_yxFormat(format)+'$');

  for (var i=3; i<setLoopYear.arguments.length; i++) {
    arg=setLoopYear.arguments[i];

    if (df.test(arg)) {
      if (mIdx!=-1) {
        m=arg.substring(mIdx, mIdx+2)-1;
      }
      else {
        m=yxMonthFromName(arg.substring(m3Idx, m3Idx+3));
      }
      d=arg.substring(dIdx, dIdx+2)-0;

      yxForYear[m][d]=new yxCellColors(fcolor,bgcolor);
    }
  }
}

// Internal function
var yxForWeek=new Array(), yxForYear=new Array();
var yxDays3=["sun", "mon", "tue", "wed", "thu", "fri", "sat"];

function yxCellColors(fg,bg) { this.fg=fg; this.bg=bg; }

for (i=0; i<6; i++) {
  yxForWeek[i]=new Array();
  for (j=0; j<=7; j++) { yxForWeek[i][j]=null; }
}
for (var i=0; i<12; i++) {
  yxForYear[i]=new Array();
  for (var j=1; j<=31; j++) { yxForYear[i][j]=null; }
}

// Mod functions
function yxCalCell(y, m, d, day) {
  var wn=0, fd=(new Date(y, m, 1)).getDay(), wd=(new Date(y, m, d)).getDay(), dateOff=yxDateOff(y, m, d);

  if (yxConf[1]>0 && fd==0) { fd=7; }
  for (var i=8+yxConf[1]-fd; i<=d; i+=7) { wn++; }

  var bg=(d==day)?yxColors[8]:(yxForYear[m][d]!=null)?(yxForYear[m][d].bg):(yxForWeek[wn][wd]!=null)?(yxForWeek[wn][wd].bg):(wd==0 || wd==6)?yxColors[6]:yxColors[4];
  var fg=(d==day)?yxColors[9]:(yxForYear[m][d]!=null)?(yxForYear[m][d].fg):(yxForWeek[wn][wd]!=null)?(yxForWeek[wn][wd].fg):(wd==0 || wd==6)?yxColors[7]:yxColors[5];

  return _yxCalCell(d, bg, fg, dateOff);
}