JavaScript

// **NEW** add leading zero to numbers < 10
function zeroAdjust(n) {
    var t = "0"+n;
    return t.substring(t.length-2,t.length);
}

// these also need leading zero if < 10
var arrIns  = [ "01","21","24","28","42","48",
                "12","23","34","36","37","46",
                "03","18","19","25","44","45"  ];

var allLucky = arrIns.toString();

var arrLot  = [];
var arr     = [];
var count   = 0;
var t;
for(var i=1; i<50; i++)
  {
    // force i to string then
    // compare i with all lucky numbers
    if (allLucky.indexOf(zeroAdjust(i)) == -1 ) {
      arr[count] = i; // add +"" 
      count++;
    }
  } // for-loop

document.write("length of arr[] ="+ count +"<br>");

//==========  EXAMPLE  ===============
// Save & Restore an array
var arrIns  = [ "01","21","24","28","42","48",
                "12","23","34","36","37","46",
                "03","18","19","25","44","45"  ];

var arr_to_csv   = arrIns.toString();
document.write(arr_to_csv);

var arr_from_csv = [];
var tmp = arr_to_csv.split(",");

for (var i=0; i < tmp.length; i++) {
    arr_from_csv[i] = parseInt( tmp[i]);
    document.write(arr_from_csv[i]);
}
//====================================

//==========  EXAMPLE  ===============
// arrIns array of 3 x 6 (not "strings")
var arrIns  = [ [ 1,21,24,28,42,48],
                [12,23,34,36,37,46],
                [ 3,18,19,25,44,45]
              ];

document.write("lucky numbers, one week at a time<br>");
for (var week=1; week < 4; week++) {
  document.write("week no: "+ week +"<br>");

  for (var i=0; i < 6; i++) {
     document.write(arrIns[week-1][i]);
  }
}
//==================================== 

<form>
    <select size=3 id=sel>
        <option>one</option>
	<option>two</option>
	<option>three</option>
    </select>
    <textarea name=debugga cols=40 rows=10></textarea>
</form>

document.forms[0].sel.onchange = function() {
  var opt = this.options[this.selectedIndex];
  this.form.debugga.value += "[click:"+opt.text+"] ";
  opt.text += '#';
  this.blur();
}