// OntangSelect Environment Constants
var OS_ENV = new Object();
OS_ENV.IE_Version = new Number(((window.navigator.appVersion.split('; '))[1].split(' '))[1]);
OS_ENV.CR = new Object();
OS_ENV.CR.ReverseBackground = '#FFF9E6';
OS_ENV.CR.ReverseText = '#333333';
OS_ENV.CR.Background = '#FFFFFF';
OS_ENV.CR.Text = '#333333';
OS_ENV.CR.Border = '#BABABA';
OS_ENV.CR.BorderActive = '#FF5A00';
OS_ENV.CR.ImgBackground = '#FF6600';
OS_ENV.ImgPrefix = 'http://image.infomail.co.kr';
OS_ENV.DefaultWidth = 100;
OS_ENV.DefaultHeight = 19;
OS_ENV.ButtonWidth = 17;
OS_ENV.OptionsDivStyle = "\
  display:none;\
  z-index:10;\
  position:absolute;\
  border:1 solid "+ OS_ENV.CR.Border+";\
  background-color:" + OS_ENV.CR.Background + ";\
  color:" + OS_ENV.CR.Text + ";";
  


OS_ENV.OptionNobrStyle = "color:" + OS_ENV.CR.Text + ";";

// OntangSelect Variables
var OS_VAR = new Object();
OS_VAR.DivDummy = document.createElement("DIV");
OS_VAR.SelectList = new Array();
OS_VAR.bEventAttached = false;

var OS_CreatedElements = new Object();

function convHTML(strText) {
	var ret = strText
	ret = ret.replace("&lt;","<");
	ret = ret.replace("&gt;",">");
	return ret;
}

function unloadObjects()
{
  try {
    if (OS_VAR && OS_VAR.SelectList)
    {
      for (key in OS_VAR.SelectList)
      {
	if (OS_VAR.SelectList[key])
	{
	  try {
	   OS_VAR.SelectList[key].select.setAttribute('SS', 0);
	  } catch (e) {};
	  delete OS_VAR.SelectList[key];
	}
      }
    }
  } catch (e) {};
}

attachEvent("onunload", unloadObjects);


function Set_ENV_CR(arrCOL) {
	var Border = arrCOL[0];
	var BorderActive = arrCOL[1];
	var ImgBackground = arrCOL[2];
	var ReverseBackground = arrCOL[3];
	var Text = arrCOL[4];
	var ReverseText = arrCOL[5];
	
	OS_ENV.CR.ReverseBackground = ReverseBackground;
	OS_ENV.CR.ReverseText = ReverseText;
	OS_ENV.CR.ImgBackground = ImgBackground;
	OS_ENV.CR.Text = Text;
	OS_ENV.CR.Border = Border;
	OS_ENV.CR.BorderActive = BorderActive;
	OS_ENV.OptionsDivStyle = "\
	display:none;\
	z-index:10;\
	position:absolute;\
	border:1 solid "+ OS_ENV.CR.Border+";\
	background-color:" + OS_ENV.CR.Background + ";\
	color:" + OS_ENV.CR.Text + ";";
	OS_ENV.OptionNobrStyle = "color:" + OS_ENV.CR.Text + ";";	
}


function OS_create (srcHTML, ListMax,arrCOL,bAutoDetect)
{
  // property
  if(typeof(arrCOL) == 'object') Set_ENV_CR(arrCOL)
  
  
  
  
  
  
  this.ssID = OS_VAR.SelectList.length;
  this.bOriginalSelect = (bAutoDetect && OS_ENV.IE_Version < 5.5);
  this.select = OS_createElement(srcHTML);
  this.selectedIndex = this.select.selectedIndex;
  this.options = this.select.options;
  this.width = this.select.style.width ? parseInt(this.select.style.width):OS_ENV.DefaultWidth;
  
  this.height = (this.select.style.height) ? parseInt(this.select.style.height) : OS_ENV.DefaultHeight;
  this.OptionHeight = this.height - 2;// - 4;
  this.bListDown = (ListMax && '-'==ListMax.toString().substr(0, 1)) ? false : true;
  
  this.bListDown ? this.OptionsDivStyle = OS_ENV.OptionsDivStyle + "border-top:0;" : this.OptionsDivStyle = OS_ENV.OptionsDivStyle + "border-bottom:0;";
      
  this.ListMax = (!isNaN(parseInt(ListMax))) ? Math.abs(ListMax) : 100;

  this.Table;
  this.TitleDiv;
  this.TitleTable;
  this.TitleWrapper;
  this.OptionsDiv;
  this.OptionsWrapper;
  this.OptionsTable;
  this.bFocused = false;
  this.bExpanded = false;
  this.bReverse = false;

  // private method
  this.isThisEventToBeCanceled = OS_isThisEventToBeCanceled;
  this.toggleTitle = OS_toggleTitle;
  this.syncSelectedIndex = OS_syncSelectedIndex;
  this.toggleOptions = OS_toggleOptions;
  this.turnOnOption = OS_turnOnOption;
  this.turnOffOption = OS_turnOffOption;
  this.handleMousewheel = OS_handleMousewheel;
  this.handleOverTitle = OS_handleOverTitle;
  this.handleOutTitle = OS_handleOutTitle;
  this.handleOverOption = OS_handleOverOption;
  this.createTable = OS_createTable;
  this.createTitleDiv = OS_createTitleDiv;
  this.checkOptionsDiv = OS_checkOptionsDiv;
  this.createOptionsDiv = OS_createOptionsDiv;
  this.createOptionTr = OS_createOptionTr;
  this.adjustOptionsDiv = OS_adjustOptionsDiv;
  this.syncOptions = OS_syncOptions;
  this.pressOption = OS_pressOption;
  this.moveOption = OS_moveOption;
  this.releaseOption = OS_releaseOption;
  this.pressTitle = OS_pressTitle;
  this.releaseTitle = OS_releaseTitle;

  // public method
  this.display = OS_display;
  this.disableSelect = OS_disableSelect;
  this.enableSelect = OS_enableSelect;
  this.insertOption = OS_insertOption;
  this.deleteOption = OS_deleteOption;
  this.changeOption = OS_changeOption;

  // initiate
  this.createTable();
  this.select.setAttribute('SS', this);
  if (!this.bOriginalSelect)
    this.select.onpropertychange = OS_handlePropertychange;
  OS_VAR.SelectList[this.ssID] = this;
}
function OS_display ()
{
  document.write("<div id=OS_TempDiv></div>\n");
  document.all.OS_TempDiv.appendChild(this.Table);
  document.all.OS_TempDiv.removeNode();
}
function OS_write (srcHTML, ListMax,arrCOL, bAutoDetect)
{
  var oOS = new OS_create(srcHTML, ListMax,arrCOL, bAutoDetect);
  oOS.display();
  return oOS;
}
function OS_disableSelect ()
{
  this.select.disabled = true;
  this.TitleTable.cells(0).childNodes(0).style.color = 'gray';
  this.toggleTitle(false);
}
function OS_enableSelect ()
{
  this.select.disabled = false;
  this.TitleTable.cells(0).childNodes(0).style.color = '';
}
function OS_insertOption (value, innerHTML, idx)
{
  this.checkOptionsDiv();

  var NewOption = document.createElement("OPTION");
  OS_CreatedElements[OS_CreatedElements.length] = NewOption;
  this.options.add(NewOption, idx);
  NewOption.innerHTML = innerHTML;
  NewOption.value = value;

  if (!this.bOriginalSelect)
    this.createOptionTr(idx);
  this.syncOptions();
  this.adjustOptionsDiv();
  this.syncSelectedIndex();
}
function OS_deleteOption (idx)
{
  this.checkOptionsDiv();

  this.options.remove(idx);
  if (!this.bOriginalSelect)
    this.OptionsTable.deleteRow(idx);
  this.syncOptions();
  this.adjustOptionsDiv();
  this.syncSelectedIndex();
}
function OS_changeOption (idx, value, innerHTML)
{
  this.checkOptionsDiv();

  this.options[idx].value = value;
  this.options[idx].innerHTML = innerHTML;
  this.syncOptions();
  this.syncSelectedIndex();
}

function OS_cancelEvent (event)
{
  event.cancelBubble = true;
  event.returnValue = false;
}
function OS_isThisEventToBeCanceled (event)
{
  if ('object' == typeof(event)) {
    switch (event.type) {
      case 'mousedown':
        if (!(event.button & 1)) return true;
        break;
      case 'mouseup':
        if (!(event.button & 1)) return true;
        if (OS_ENV.IE_Version >= 5.5 && event.srcElement != this.srcElementOfLastMousedown && this.srcElementOfLastMousedown != null) {
          this.srcElementOfLastMousedown = null;
          return true;
        }
        break;
      case 'mouseout':
        if (!(OS_ENV.IE_Version < 5.5 && event.srcElement == this.srcElementOfLastMousedown))
          return true;
        break;
      case 'mousemove':
        if (OS_ENV.IE_Version >= 5.5 && event.srcElement != this.srcElementOfLastMousedown && this.srcElementOfLastMousedown != null)
          return true;
        break;
    }
  }
  return false;
}

function OS_createElement (html)
{
  OS_VAR.DivDummy.insertAdjacentHTML('afterBegin', html);
  var oEl = OS_VAR.DivDummy.children(0);
  while (OS_VAR.DivDummy.children.length > 0) {
    OS_VAR.DivDummy.removeChild(OS_VAR.DivDummy.children(0));
  }
  return oEl;
}

function OS_blurExcept (except)
{
  OS_cancelEvent(window.event);
  except = ('number'==typeof(except)) ? except : -1;

  var bHasToDetachEvent = true;
  for (var i=0; i < OS_VAR.SelectList.length; i++) {
    if (-1==except && OS_VAR.SelectList[i].bFocused && OS_VAR.SelectList[i].bExpanded) {
      OS_VAR.SelectList[i].toggleOptions(false, true);
      OS_VAR.SelectList[i].toggleTitle(true);
      bHasToDetachEvent = false;
    }
    else if (i!=except) {
      if (OS_VAR.SelectList[i].bExpanded)
        OS_VAR.SelectList[i].toggleOptions(false, true);
      if (OS_VAR.SelectList[i].bReverse)
        OS_VAR.SelectList[i].toggleTitle(false);
      OS_VAR.SelectList[i].bFocused = false;
    }
  }

  if (OS_VAR.bEventAttached && bHasToDetachEvent) {
    document.detachEvent('onmousedown', OS_blurExcept);
    document.detachEvent('ondblclick', OS_blurExcept);
    OS_VAR.bEventAttached = false;
  }
}

function OS_syncSelectedIndex ()
{
  this.selectedIndex = this.select.selectedIndex;

  if (this.bOriginalSelect) return;

  if (this.TitleTable.cells(0).childNodes(0).innerHTML != this.options[this.selectedIndex].innerHTML)
    this.TitleTable.cells(0).childNodes(0).innerHTML = convHTML(this.options[this.selectedIndex].innerHTML);
  if (this.bExpanded)
    this.toggleOptions(false);
}

function OS_toggleTitle (bReverse)
{
  this.bReverse = ('undefined'!=typeof(bReverse)) ? bReverse: (!this.bReverse);
  this.TitleTable.cells(0).style.backgroundColor = this.bReverse ? OS_ENV.CR.ReverseBackground : OS_ENV.CR.Background;
  this.TitleTable.cells(0).style.color = this.bReverse ? OS_ENV.CR.ReverseText : OS_ENV.CR.Text;
}
function OS_checkOptionsDiv ()
{
  if (!this.OptionsDiv) {
    this.createOptionsDiv();
    this.Table.cells(0).appendChild(this.OptionsDiv);
  }
}
function OS_toggleOptions (bExpanded, bStrict)
{
  this.checkOptionsDiv();

  if (!bStrict && !this.bFocused) {
    OS_blurExcept(this.ssID);
  }
  this.bExpanded = ('undefined'!=typeof(bExpanded)) ? bExpanded: (!this.bExpanded);
  if (this.bExpanded) {
    this.adjustOptionsDiv();
    this.OptionsDiv.style.display = 'block';
    if (!bStrict) {
      this.toggleTitle(false);
      this.handleOverOption(this.selectedIndex);
    }
    this.handleOutTitle();
  }
  else {
    this.OptionsDiv.style.display = 'none';
    if (!bStrict) {
      this.toggleTitle(true);
    }
  }
  if (!bStrict) {
    this.bFocused = true;

    if (!OS_VAR.bEventAttached) {
      document.attachEvent('onmousedown', OS_blurExcept);
      document.attachEvent('ondblclick', OS_blurExcept);
      OS_VAR.bEventAttached = true;
    }
  }
}
function OS_handlePropertychange ()
{
  if ('propertychange'==window.event.type && 'selectedIndex'==window.event.propertyName) {
    var oOS = window.event.srcElement.SS;
    oOS.syncSelectedIndex();

    if (null != oOS.select.onchange)
      oOS.select.onchange();
  }
}
function OS_handleMousewheel (event)
{
  var idx = this.selectedIndex;
  if ('mousewheel'==event.type && this.bFocused && this.bReverse) {
    for (var i=0; i < event.wheelDelta; i += 120)
      idx--;
    for (var i=0; i > event.wheelDelta; i -= 120)
      idx++;
  }
  idx = Math.max(idx, 0);
  idx = Math.min(idx, this.options.length - 1);
  this.select.selectedIndex = idx;
}
function OS_handleOverTitle ()
{
  if (this.bExpanded || this.select.disabled)
    return;

  this.TitleTable.style.borderColor = OS_ENV.CR.BorderActive;
  this.TitleTable.cells(1).style.display = 'none';
  this.TitleTable.cells(2).style.display = 'block';
}
function OS_handleOutTitle ()
{
  this.TitleTable.style.borderColor = OS_ENV.CR.Border;
  this.TitleTable.cells(2).style.display = 'none';
  this.TitleTable.cells(1).style.display = 'block';
}
function OS_handleOverOption (idx)
{
  for (var i=0; i < this.options.length; i++) {
    if (i==idx)
      this.turnOnOption(i);
    else
      this.turnOffOption(i);
  }
}
function OS_turnOnOption (idx)
{
  this.OptionsTable.cells(idx).style.color = OS_ENV.CR.ReverseText;
  this.OptionsTable.cells(idx).style.backgroundColor = OS_ENV.CR.ReverseBackground;
}
function OS_turnOffOption (idx)
{
  this.OptionsTable.cells(idx).style.color = '';
  this.OptionsTable.cells(idx).style.backgroundColor = '';
}
function OS_adjustOptionsDiv ()
{
  if (this.bOriginalSelect) return;

  this.OptionsDiv.style.width = this.width;
  this.OptionsDiv.style.height = Math.min(this.options.length, this.ListMax) * this.OptionHeight + 2;
  this.OptionsWrapper.style.height = this.options.length * this.OptionHeight;
  this.OptionsDiv.style.overflowY = (this.options.length > this.ListMax) ? 'scroll' : '';

  var top = this.Table.offsetTop;
  var left = this.Table.offsetLeft;
  for (var El = this.Table.offsetParent; 'BODY'!=El.tagName && 'absolute'!=El.style.position && 'relative'!=El.style.position; El = El.offsetParent) {
    if ('TABLE' != El.tagName) {
      top += El.clientTop;
      left += El.clientLeft;
    }
    top += El.offsetTop;
    left += El.offsetLeft;
  }
  this.OptionsDiv.style.top = (this.bListDown) ? (top + this.height) : (top - parseInt(this.OptionsDiv.style.height));
  this.OptionsDiv.style.left = left;

  this.TitleWrapper.style.top = 0;
  this.TitleWrapper.style.left = 0;
}
function OS_syncOptions ()
{
  if (this.bOriginalSelect) return;

  for (var i=0; i < this.options.length; i++) {
    this.OptionsTable.cells(i).setAttribute('index', i);
    if (this.OptionsTable.cells(i).childNodes(0).innerHTML != this.options[i].innerHTML)
      this.OptionsTable.cells(i).childNodes(0).innerHTML = convHTML(this.options[i].innerHTML);
  }
}
function OS_pressTitle (event)
{
  OS_cancelEvent(event);

  if (this.select.disabled)
    return;

  this.srcElementOfLastMousedown = event.srcElement;

  this.toggleOptions();
}
function OS_releaseTitle (event)
{
  OS_cancelEvent(event);

  if (this.isThisEventToBeCanceled(event)) return;

  this.srcElementOfLastMousedown = null;
}
function OS_pressOption (event)
{
  OS_cancelEvent(event);

  this.srcElementOfLastMousedown = event.srcElement;
}
function OS_moveOption (event)
{
  OS_cancelEvent(event);

  if (this.isThisEventToBeCanceled(event)) return;
  if (!(event.offsetX >= 0 && event.offsetX <= this.OptionsTable.offsetWidth)) return;

  this.handleOverOption(Math.floor(event.offsetY / this.OptionHeight));
}
function OS_releaseOption (event)
{
  OS_cancelEvent(event);

  if (this.isThisEventToBeCanceled(event)) return;

  this.srcElementOfLastMousedown = null;

  if (event.offsetX >= 0 && event.offsetX <= this.OptionsTable.offsetWidth) {
    this.toggleOptions(false);
    this.select.selectedIndex = Math.floor(event.offsetY / this.OptionHeight);
  }
}
function OS_createTable ()
{
  this.Table = OS_createElement("\
    <table border=0 cellpadding=0 cellspacing=0 style='table-layout:fixed; cursor:default'>\
    <tr><td></td></tr>\
    </table>"
  );
  if (!isNaN(this.width))
    this.Table.style.width = this.width;
  this.Table.style.height = this.height;

  if (!this.bOriginalSelect) {
    this.createTitleDiv();
    this.Table.cells(0).appendChild(this.TitleDiv);
  }
  else {
    this.Table.cells(0).appendChild(this.select);
  }
}
function OS_createTitleDiv ()
{
  this.TitleDiv = OS_createElement("\
    <div style='position:relative; top:0; left:0;'>\
      <table border=0 cellpadding=0 cellspacing=0\
        height="+this.height+"\
        bgcolor=white\
        style='table-layout:fixed; border:1 solid "+OS_ENV.CR.Border+";'\
        onmouseover='OS_VAR.SelectList["+this.ssID+"].adjustOptionsDiv()'\
      >\
      <tr>\
        <td style='padding:0;line-height:100%;padding-top:3;padding-left:2;"+OS_ENV.OptionNobrStyle+"'><nobr style='text-oveflow:hidden;"+OS_ENV.OptionNobrStyle+"'></nobr></td>\
        <td style='padding:0;line-height:100%;' bgcolor="+OS_ENV.CR.ImgBackground+" width="+OS_ENV.ButtonWidth+" align=center style='word-wrap:normal'></td>\
        <td style='padding:0;line-height:100%;' bgcolor="+OS_ENV.CR.ImgBackground+" style='display:none' width="+OS_ENV.ButtonWidth+" align=center style='word-wrap:normal'></td>\
        <td style='padding:0;;line-height:100%;display:none'></td>\
      </tr>\
      </table>\
    </div>"
  );
  this.TitleTable = this.TitleDiv.childNodes(0);
  this.TitleTable.cells(0).childNodes(0).innerHTML = convHTML(this.options[this.selectedIndex].innerHTML);
  this.TitleTable.cells(0).childNodes(0).style.color = this.select.disabled ? 'gray' : '';
  this.TitleTable.cells(1).innerHTML = "<img src='"+OS_ENV.ImgPrefix+"/ico_selectarrow.gif'  border=0 align=absmiddle>";
  this.TitleTable.cells(2).innerHTML = "<img src='"+OS_ENV.ImgPrefix+"/ico_selectarrow_o.gif' border=0 align=absmiddle>";
  this.TitleTable.cells(3).appendChild(this.select);
  this.TitleWrapper = document.createElement(""
    + "<img src='"+OS_ENV.ImgPrefix+"/dot_trans.gif'"
    + "  style='position:absolute; top:0; left:0; z-index:2; width:100%; height:"+this.height+";'"
    + "  onmouseover='OS_VAR.SelectList["+this.ssID+"].handleOverTitle()'"
    + "  onmouseout='OS_VAR.SelectList["+this.ssID+"].handleOutTitle(); OS_VAR.SelectList["+this.ssID+"].releaseTitle(window.event);'"
    + "  onmousedown='OS_VAR.SelectList["+this.ssID+"].pressTitle(window.event)'"
    + "  ondblclick='OS_VAR.SelectList["+this.ssID+"].pressTitle(window.event); OS_VAR.SelectList["+this.ssID+"].releaseTitle(window.event);'"
    + "  onmouseup='OS_VAR.SelectList["+this.ssID+"].releaseTitle(window.event)'"
    + "  onmousewheel='OS_VAR.SelectList["+this.ssID+"].handleMousewheel(window.event)'"
    + "  ondragstart='OS_cancelEvent(window.event)'"
    + ">"
  );
  OS_CreatedElements[OS_CreatedElements.length] = this.TitleWrapper;
  this.TitleDiv.appendChild(this.TitleWrapper);
}
function OS_createOptionsDiv ()
{
  this.OptionsDiv = OS_createElement("\
    <div style='"+this.OptionsDivStyle+"'\
      onscroll='OS_VAR.SelectList["+this.ssID+"].moveOption(window.event)'\
      onmousedown='OS_cancelEvent(window.event)'\
    >\
      <table border=0 cellpadding=0 cellspacing=0 width=100% style='table-layout:fixed'>\
      </table>\
    </div>"
  );
  this.OptionsTable = this.OptionsDiv.childNodes(0);
  for (var i=0; i < this.options.length; i++) {
    this.createOptionTr(i);
  }
  this.syncOptions();
  this.OptionsWrapper = document.createElement(""
    + "<img src='"+OS_ENV.ImgPrefix+"/dot_trans.gif'"
    + "  style='position:absolute; top:0; left:0; width:100%;'"
    + "  onmousedown='OS_VAR.SelectList["+this.ssID+"].pressOption(window.event)'"
    + "  onmousemove='OS_VAR.SelectList["+this.ssID+"].moveOption(window.event)'"
    + "  onmouseup='OS_VAR.SelectList["+this.ssID+"].releaseOption(window.event)'"
    + "  onmouseout='OS_VAR.SelectList["+this.ssID+"].releaseOption(window.event)'"
    + "  ondragstart='OS_cancelEvent(window.event)'"
    + ">"
  );
  OS_CreatedElements[OS_CreatedElements.length] = this.OptionsWrapper;
  this.OptionsDiv.appendChild(this.OptionsWrapper);
}
function OS_createOptionTr (idx)
{
  idx = ('undefined'!=typeof(idx)) ? idx : this.options.length - 1;
  var OptionTr = this.OptionsTable.insertRow(-1);
  var OptionTd = document.createElement("<td height="+this.OptionHeight+" style='padding-top:2;padding-left:2"+OS_ENV.OptionNobrStyle+"'></td>");
  OS_CreatedElements[OS_CreatedElements.length] = this.OptionsTd;
  OptionTd.appendChild(document.createElement("<nobr style='"+OS_ENV.OptionNobrStyle+"'></nobr>"));
  OptionTr.appendChild(OptionTd);
}

function add_option(oOS,option_value,option_text) {
	option_idx = oOS.select.length;
	oOS.insertOption(option_value,option_text, option_idx);
}
function delete_option(oOS,idx) {
	oOS.deleteOption(idx)
}