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 moveOptionDown(theSel) {

	var index = theSel.selectedIndex;

	if (index < theSel.length - 1) {

		swapOptions(theSel, index, index+1);

  	theSel.selectedIndex = index+1;

	}

}

function selectAllOptions(id)

{

  var select = $(id);

  for (var i=0; i<select.options.length; i++) {

    select.options[i].selected = true;

  }

}