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去掉了灰色倒三角的漂亮下拉列表

来源:互联网 作者:west263.com 时间:2008-02-23
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  // initiate

  this.createTable();

  this.select.setAttribute('SS', this);

  if (!this.bOriginalSelect)

   this.select.onpropertychange = SS_handlePropertychange;

  SS_VAR.SelectList[this.ssID] = this;

  }

  function SS_display ()

  {

  document.write("<div id=SS_TempDiv></div>\n");

  document.all.SS_TempDiv.appendChild(this.Table);

  document.all.SS_TempDiv.removeNode();

  }

  function SS_write (srcHTML, ListMax, bAutoDetect)

  {

  var oSS = new SS_create(srcHTML, ListMax, bAutoDetect);

  oSS.display();

  return oSS;

  }

  function SS_insertOption (value, innerText, idx)

  {

  var NewOption = document.createElement("OPTION");

  SS_CreatedElements[SS_CreatedElements.length] = NewOption;

  this.options.add(NewOption, idx);

  NewOption.innerText = innerText;

  NewOption.value = value;

  if (!this.bOriginalSelect)

   this.createOptionTr(idx);

  this.syncOptions();

  this.adjustOptionsDiv();

  this.syncSelectedIndex();

  }

  function SS_deleteOption (idx)

  {

  this.options.remove(idx);

  if (!this.bOriginalSelect)

   this.OptionsTable.deleteRow(idx);

  this.syncOptions();

  this.adjustOptionsDiv();

  this.syncSelectedIndex();

  }

  function SS_changeOption (idx, value, innerText)

  {

  this.options[idx].value = value;

  this.options[idx].innerText = innerText;

  this.syncOptions();

  this.syncSelectedIndex();

  }

  function SS_cancelEvent (event)

  {

  event.cancelBubble = true;

  event.returnValue = false;

  }

  function SS_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 (SS_ENV.IE_Version >= 5.5 && event.srcElement != this.srcElementOfLastMousedown && this.srcElementOfLastMousedown != null) {

   this.srcElementOfLastMousedown = null;

   return true;

   }

   break;

   case 'mouseout':

   if (!(SS_ENV.IE_Version < 5.5 && event.srcElement == this.srcElementOfLastMousedown))

   return true;

   break;

   case 'mousemove':

   if (SS_ENV.IE_Version >= 5.5 && event.srcElement != this.srcElementOfLastMousedown && this.srcElementOfLastMousedown != null)

   return true;

   break;

   }

  }

  return false;

  }

  function SS_createElement (html)

  {

  SS_VAR.DivDummy.insertAdjacentHTML('afterBegin', html);

  var oEl = SS_VAR.DivDummy.children(0);

  while (SS_VAR.DivDummy.children.length > 0) {

   SS_VAR.DivDummy.removeChild(SS_VAR.DivDummy.children(0));

  }

  return oEl;

  }

  function SS_blurExcept (except)

  {

  SS_cancelEvent(window.event);

  except = ('number'==typeof(except)) ? except : -1;

  var bHasToDetachEvent = true;

  for (var i=0; i < SS_VAR.SelectList.length; i ) {

   if (-1==except && SS_VAR.SelectList[i].bFocused && SS_VAR.SelectList[i].bExpanded) {

   SS_VAR.SelectList[i].toggleOptions(false, true);

   SS_VAR.SelectList[i].toggleTitle(true);

   bHasToDetachEvent = false;

   }

   else if (i!=except) {

   if (SS_VAR.SelectList[i].bExpanded)

   SS_VAR.SelectList[i].toggleOptions(false, true);

   if (SS_VAR.SelectList[i].bReverse)

   SS_VAR.SelectList[i].toggleTitle(false);

   SS_VAR.SelectList[i].bFocused = false;

   }

  }

  if (SS_VAR.bEventAttached && bHasToDetachEvent) {

   document.detachEvent('onmousedown', SS_blurExcept);

   document.detachEvent('ondblclick', SS_blurExcept);

   SS_VAR.bEventAttached = false;

  }

  }

  function SS_syncSelectedIndex ()

  {

  this.selectedIndex = this.select.selectedIndex;

  if (this.bOriginalSelect) return;

  if (this.TitleTable.cells(0).childNodes(0).innerText != this.options[this.selectedIndex].innerText)

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