// Move the selected items from list box1 to box2
function moveWithRefresh(lstbox1,lstbox2,doRefresh)
{
    var   box1Count = lstbox1.options.length;
    for(var i=0; i < box1Count; i++)
    {
	if ( lstbox1.options[i].selected && lstbox1.options[i].value != "" )
	{
	    var no = new Option();
	    no.value = lstbox1.options[i].value;
	    no.text = lstbox1.options[i].text;
	    lstbox2.options[lstbox2.options.length] = no;
	    lstbox1.options[i].value = "";
	    lstbox1.options[i].text = "";
	}
    }

    // Delete the items from box1 by setting them to null
    for ( var i = box1Count - 1; i >= 0; i--)
    {
	if ( lstbox1.options[i].value == "" )
	    lstbox1.options[i] = null;
    }
    sortSelect(lstbox1,compareValue);
    sortSelect(lstbox2,compareValue);
    // refresh the page
    if ( doRefresh == 1 )
	history.go(0);
}

function moveAllWithRefresh(lstbox1,lstbox2,doRefresh)
{
    var   box1Count = lstbox1.options.length;
    for(var i=0; i < box1Count; i++)
    {
	var no = new Option();
	no.value = lstbox1.options[i].value;
	no.text = lstbox1.options[i].text;
	lstbox2.options[lstbox2.options.length] = no;
	lstbox1.options[i].value = "";
	lstbox1.options[i].text = "";
    }

    // Delete the items from box1 by setting them to null
    for ( var i = box1Count - 1; i >= 0; i--)
    {
        lstbox1.options[i] = null;
    }
    sortSelect(lstbox1,compareValue);
    sortSelect(lstbox2,compareValue);
    // refresh the page
    if ( doRefresh == 1 )
	history.go(0);
}

function move_allRight(lstbox1,lstbox2)
{
  var doRefresh = 0;
  moveAllWithRefresh(lstbox1,lstbox2,doRefresh);
}

function move_right(lstbox1,lstbox2)
{
  var doRefresh = 0;
  moveWithRefresh(lstbox1,lstbox2,doRefresh);
}

function move_left(lstbox1,lstbox2)
{
  var doRefresh = 0;
  moveWithRefresh(lstbox2,lstbox1,doRefresh);
}

function move_allLeft(lstbox1,lstbox2)
{
  var doRefresh = 0;
  moveAllWithRefresh(lstbox2,lstbox1,doRefresh);
}

function compareText (option1, option2) {
  return option1.text < option2.text ? -1 :
    option1.text > option2.text ? 1 : 0;
}
function compareValue (option1, option2) {
  return option1.value < option2.value ? -1 :
    option1.value > option2.value ? 1 : 0;
}
function compareTextAsFloat (option1, option2) {
  var value1 = parseFloat(option1.text);
  var value2 = parseFloat(option2.text);
  return value1 < value2 ? -1 :
    value1 > value2 ? 1 : 0;
}
function compareValueAsFloat (option1, option2) {
  var value1 = parseFloat(option1.value);
  var value2 = parseFloat(option2.value);
  return value1 < value2 ? -1 :
    value1 > value2 ? 1 : 0;
}
function sortSelect (select, compareFunction) {
  if (!compareFunction)
    compareFunction = compareText;
  var options = new Array (select.options.length);
  for (var i = 0; i < options.length; i++)
    options[i] =
      new Option (
        select.options[i].text,
        select.options[i].value,
        select.options[i].defaultSelected,
        select.options[i].selected
      );
  options.sort(compareFunction);
  select.options.length = 0;
  for (var i = 0; i < options.length; i++)
    select.options[i] = options[i];
}

function cancelConfirm(mesg,redirect)
{
  var answer = confirm(mesg);
  if(answer)
    document.location.href=redirect;
}