SoundSoftware Code Site

var NS4 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) < 5);

function addOption(theSel, theText, theValue) {

  var newOpt = new Option(theText, theValue);

  var selLength = theSel.length;

  theSel.options[selLength] = newOpt;

}

function swapOptions(theSel, index1, index2) {

  var text, value;

  text = theSel.options[index1].text;

  value = theSel.options[index1].value;

  theSel.options[index1].text = theSel.options[index2].text;

  theSel.options[index1].value = theSel.options[index2].value;

  theSel.options[index2].text = text;

  theSel.options[index2].value = value;

}

function deleteOption(theSel, theIndex) {

  var selLength = theSel.length;

  if (selLength > 0) {

    theSel.options[theIndex] = null;

  }

}

function moveOptions(theSelFrom, theSelTo) {

  var selLength = theSelFrom.length;

  var selectedText = new Array();

  var selectedValues = new Array();

  var selectedCount = 0;

  var i;

  for (i = selLength - 1; i >= 0; i--) {

    if (theSelFrom.options[i].selected) {

      selectedText[selectedCount] = theSelFrom.options[i].text;

      selectedValues[selectedCount] = theSelFrom.options[i].value;

      deleteOption(theSelFrom, i);

      selectedCount++;

    }

  }

  for (i = selectedCount - 1; i >= 0; i--) {

    addOption(theSelTo, selectedText[i], selectedValues[i]);

  }

  if (NS4) history.go(0);

}

function moveOptionUp(theSel) {

  var index = theSel.selectedIndex;

  if (index > 0) {

    swapOptions(theSel, index-1, index);

    theSel.selectedIndex = index-1;

  }

}

function moveOptionTop(theSel) {

  var index = theSel.selectedIndex;

  if (index > 0) {

    for (i=index; i>0; i--) {

      swapOptions(theSel, i-1, i);

    }

    theSel.selectedIndex = 0;

  }

}

function moveOptionDown(theSel) {

  var index = theSel.selectedIndex;

  if (index < theSel.length - 1) {

    swapOptions(theSel, index, index+1);

    theSel.selectedIndex = index+1;

  }

}

function moveOptionBottom(theSel) {

  var index = theSel.selectedIndex;

  var indexTop = theSel.length - 1;

  if (index < theSel.length - 1) {

    for (i=index; i<indexTop; i++) {

      swapOptions(theSel, i+1, i);

    }

    theSel.selectedIndex = indexTop;

  }

}

// OK

function selectAllOptions(id) {

  var select = $('#'+id);

  select.children('option').attr('selected', true);

}