function trim(s) {
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}

function eelteateVorm(){

  var checkboxGroup = document.xmlvorm['PRIOR_INFORMATION.FD_PRIOR_INFORMATION@CTYPE'];
  var checkbox;


  if(typeof(checkboxGroup.length) == 'undefined' || checkboxGroup.length <= 1) return;

  for (var c = 0; c < checkboxGroup.length; c++){
      if (checkboxGroup[c].checked){
	checkbox = checkboxGroup[c];
      }
  }

  if(typeof(checkbox) == 'undefined') return;
  if(checkbox.value=='WORKS'){
    var divs = document.getElementsByTagName('div');
    var div;
    for(i=0;i<divs.length;i++){
      if(divs[i].id=='NON_WORKS'){
	div = divs[i];
	break;
      }
    }

    if(div != null) div.disabled = true;
    div = null;

    for(i=0;i<divs.length;i++){
      if(divs[i].id=='WORKS'){
	div = divs[i];
	break;
      }
    }

    if(div != null) div.disabled = false;
  }else{

    var divs = document.getElementsByTagName('div');
    var div;
    for(i=0;i<divs.length;i++){
      if(divs[i].id=='NON_WORKS'){
      div = divs[i];
      break;
      }
    }

    if(div != null) div.disabled = false;
    div = null;

    for(i=0;i<divs.length;i++){
      if(divs[i].id=='WORKS'){
	div = divs[i];
	break;
      }
    }

    if(div != null) div.disabled = true;
  }
}

function periodicNoCallVorm(){


	if(typeof(document.xmlvorm)=='undefined') return;

  var checkboxGroup = document.xmlvorm['PERIODIC_NOCALL.FD_PERIODIC_NOCALL@CTYPE'];
  var checkbox;

  if(typeof(checkboxGroup.length) == 'undefined' || checkboxGroup.length <= 1) return;

  for (var c = 0; c < checkboxGroup.length; c++){
      if (checkboxGroup[c].checked){
	checkbox = checkboxGroup[c];
      }
  }

  if(typeof(checkbox) == 'undefined') return;
  if(checkbox.value=='WORKS'){
    var divs = document.getElementsByTagName('div');
    var div;
    for(i=0;i<divs.length;i++){
      if(divs[i].id=='NON_WORKS'){
	div = divs[i];
	break;
      }
    }

    if(div != null) div.disabled = true;
    div = null;

    for(i=0;i<divs.length;i++){
      if(divs[i].id=='WORKS'){
	div = divs[i];
	break;
      }
    }

    if(div != null) div.disabled = false;
  }else{

    var divs = document.getElementsByTagName('div');
    var div;
    for(i=0;i<divs.length;i++){
      if(divs[i].id=='NON_WORKS'){
      div = divs[i];
      break;
      }
    }

    if(div != null) div.disabled = false;
    div = null;

    for(i=0;i<divs.length;i++){
      if(divs[i].id=='WORKS'){
	div = divs[i];
	break;
      }
    }

    if(div != null) div.disabled = true;
  }
}
/*
 "Üks või mitte midagi"
 laseb valida checkboxi grupist (need checkboxid, mis on samanimelised)
 ainult ühe.
*/
function oneOrNoCheckboxGroup (checkbox) {

  if(!checkbox.checked){
    //teeme ka vastava hidden textbox'i tühjaks
    name = checkbox.name;
    if(name.substring(0, 3) == 'chk'){
      var textbox = checkbox.form[name.substring(3)];
      if(textbox != null) textbox.value = '';
    }

    return;
  }else{
    name = checkbox.name;
    if(name.substring(0, 3) == 'chk'){
      var textbox = checkbox.form[name.substring(3)];
      if(textbox != null) textbox.value = checkbox.value;
    }
  }



  var checkboxGroup = checkbox.form[checkbox.name];
  for (var c = 0; c < checkboxGroup.length; c++){
    if (checkboxGroup[c] != checkbox && checkboxGroup[c].value != checkbox.value){
      checkboxGroup[c].checked = false;
/*
      name = checkboxGroup[c].name;
      if(name.substring(0, 3) == 'chk'){
	var textbox = checkbox.form[name.substring(3)];
	if(textbox != null) textbox.value = '';
      }
*/
    }else{
      checkboxGroup[c].checked = true;
/*
      name = checkboxGroup[c].name;
      if(name.substring(0, 3) == 'chk'){
	var textbox = checkbox.form[name.substring(3)];
	if(textbox != null) textbox.value = checkbox.value;
      }
*/
    }
  }

  if(checkbox.name.indexOf('@CTYPE') > 0 && checkbox.value=='WORKS'){
    var divs = document.getElementsByTagName('div');
    var div;
    for(i=0;i<divs.length;i++){
      if(divs[i].id=='NON_WORKS'){
	div = divs[i];
	break;
      }
    }

    if(div != null) div.disabled = true;
    div = null;

    for(i=0;i<divs.length;i++){
      if(divs[i].id=='WORKS'){
	div = divs[i];
	break;
      }
    }

    if(div != null) div.disabled = false;
  }else if(checkbox.name.indexOf('@CTYPE') > 0){

    var divs = document.getElementsByTagName('div');
    var div;
    for(i=0;i<divs.length;i++){
      if(divs[i].id=='NON_WORKS'){
	div = divs[i];
	break;
      }
    }

    if(div != null) div.disabled = false;
    div = null;

    for(i=0;i<divs.length;i++){
      if(divs[i].id=='WORKS'){
	div = divs[i];
	break;
      }
    }

    if(div != null) div.disabled = true;
  }

  if(typeof(checkboxGroup.length) == 'undefined' || checkboxGroup.length <= 1){
    name = checkbox.name;
    if(name.substring(0, 3) == 'chk'){
      var textbox = checkbox.form[name.substring(3)];
      if(textbox != null) {
	if(checkbox.checked)
	  textbox.value = checkbox.value;
	else
	  textbox.value = '';
      }
    }

    var orig_name = checkbox.name;
    i = orig_name.lastIndexOf('@');
    lopp = orig_name.substring(i);
    orig_name = orig_name.substring(0, i);

    if(orig_name.substring(orig_name.length - 4) == '_YES'){
      var anotherCheckbox = checkbox.form[orig_name.substring(0, orig_name.length - 4) + '_NO' + lopp];
      if(anotherCheckbox != null){
	anotherCheckbox.checked = false;

	name = anotherCheckbox.name;
	if(name.substring(0, 3) == 'chk'){
	  var textbox = checkbox.form[name.substring(3)];
	  if(textbox != null){
	    textbox.value = '';
	  }
	}
      }
    }else if(orig_name.substring(orig_name.length - 3) == '_NO'){
      var anotherCheckbox = checkbox.form[orig_name.substring(0, orig_name.length - 3) + '_YES' + lopp];
      if(anotherCheckbox == null){
	anotherCheckbox = checkbox.form[orig_name.substring(0, orig_name.length - 3) + lopp];
      }
      if(anotherCheckbox != null){
	anotherCheckbox.checked = false;

	name = anotherCheckbox.name;
	if(name.substring(0, 3) == 'chk'){
	  var textbox = checkbox.form[name.substring(3)];
	  if(textbox != null) textbox.value = '';
	}
      }
    }else{
      var anotherCheckbox = checkbox.form[orig_name + '_NO' + lopp];
      if(anotherCheckbox != null){
	anotherCheckbox.checked = false;

	name = anotherCheckbox.name;
	if(name.substring(0, 3) == 'chk'){
	  var textbox = checkbox.form[name.substring(3)];
	  if(textbox != null){
	    textbox.value = '';
	  }
	}
      }
    }
  }
}


function allDigits(str)
{
	return inValidCharSet(str,"0123456789");
}
function inValidCharSet(str,charset)
{
	var result = true;
	for (var i=0;i<str.length;i++)
	if (charset.indexOf(str.substr(i,1))<0)
	{
		result = false;
		break;
	}
	return result;
}


function validDate(dateval, eraldaja)
{
    var elems = dateval.split(eraldaja);
    var result = true;
    result = (elems.length == 3); // should be three components
    if (result)
    {
	    var day = parseInt(elems[0],10);
	    var month = parseInt(elems[1],10);
	    var year = parseInt(elems[2],10);
	    result = allDigits(elems[1]) && (month > 0) && (month < 13) &&
			     allDigits(elems[0]) && (day > 0) && (day < 32) &&
			     allDigits(elems[2]) && (/*(elems[2].length == 2) || */(elems[2].length == 4));
    }
    return result;
}

function isNumeric(str)
{
  var ch;
  for (var i=0; i < str.length; i++)
  {
    ch = str.substring(i, i+1);
    if( ch < "0" || ch > "9" || str.length == null)
	return false;
  }
  return true;
}
function clearListValues(cbList) {
    for (var i=0; i<cbList.length; i++)
	cbList[i].selected = cbList[i].checked = false;
}

function checkEmailAddress(textcontrol)
{
  // the following expression must be all on one line...
	// testimise jaoks alati TRUE!
	//var goodEmail = textcontrol.value.match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi);
	//if (goodEmail)
		return true;
	//return false;
}

function checkEmailAddresses(textcontrol)
{
    var elems = textcontrol.value.split(";");
    bOk = true;
    for (var i=0; i < elems.length; i++){
	// the following expression must be all on one line...
	if (!elems[i].match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi)){
	    // emaili aadressid ei tohi sisaldada tühikuid.
	    // kui vähemalt 1 email pole korras tagastan FALSE
	    bOk = false;
	    break;
	}
    }
    // kui kõik emailid olid korras tagastan TRUE
    return(bOk);
}



// sort functions
function arrayCompare(e1,e2) {
	return e1[0] < e2[0] ? -1 : (e1[0] == e2[0] ? 0 : 1);

}

var tables = new Array();
function arraySort(tableName, column, lineNumber, columnNumber) {
	var aTable = tables[tableName];
	var arrayToSort;
	var array;
	var reverse = 0;
	if (aTable) {
		array = aTable[0];
		arrayToSort = new Array(lineNumber);
		for (i=0;i<lineNumber;i++) {
			arrayToSort[i] = new Array(2);
			arrayToSort[i][0] = array[i][column];
			arrayToSort[i][1] = i;
		}
		reverse = 1 - aTable[1];
		aTable[1] = reverse;
	} else {
		array = new Array(lineNumber);
		arrayToSort = new Array(lineNumber);
		for (i=0;i<lineNumber;i++) {
			array[i] = new Array(columnNumber);
			for (j=0;j<columnNumber;j++) {
				obj = document.getElementById("t" + tableName + "l" + (i+1) +"c" + j);
				array[i][j] = obj.innerHTML;
			}
			arrayToSort[i] = new Array(2);
			arrayToSort[i][0] = array[i][column];
			arrayToSort[i][1] = i;

			aTable = new Array(2);
			aTable[0] = array;
			aTable[1] = 0;
			tables[tableName] = aTable;
		}
	}

	arrayToSort.sort(arrayCompare);
	if (reverse) {
		arrayToSort.reverse();
	}

	for (i=0;i<lineNumber;i++) {
		goodLine = arrayToSort[i][1];
		for (j=0;j<columnNumber;j++) {
			document.getElementById("t" + tableName + "l" + (i+1) +"c" + j).innerHTML = array[goodLine][j];
		}
	}
}