function swapNavImg(id,ope)
{
  strSrc='';
  //o = document.getElementById(id);
  switch (id)
  {
    case 'specialistImg':
      if (ope=='over')
        strSrc='images/specialists2.gif';
      else
        strSrc='images/specialists.gif';
      //document[id].src=strSrc;
    break;
    case 'serviceImg':
      if (ope=='over')
        strSrc='images/service2.gif';
      else
        strSrc='images/service.gif';
      //document.serviceImg.src=strSrc;
    break;
    case 'benefitImg':
      if (ope=='over')
        strSrc='images/benefits2.gif';
      else
        strSrc='images/benefits.gif';
      //document.benefitImg.src=strSrc;
    break;
    case 'noteImg':
      if (ope=='over')
        strSrc='images/notes2.gif';
      else
        strSrc='images/notes.gif';
      //document.noteImg.src=strSrc;
    break;
    case 'whatWeNeedImg':
      if (ope=='over')
        strSrc='images/whatweneed2.gif';
      else
        strSrc='images/whatweneed.gif';
      //document.whatWeNeedImg.src=strSrc;
    break;
    case 'contactImg':
      if (ope=='over')
        strSrc='images/contactus2.gif';
      else
        strSrc='images/contactus.gif';
      //document.contactImg.src=strSrc;
    break;
    case 'sampleImg':
      if (ope=='over')
        strSrc='images/sample2.gif';
      else
        strSrc='images/sample.gif';
    break;
    case 'orderImg':
      if (ope=='over')
        strSrc='images/orderviaform2.gif';
      else
        strSrc='images/orderviaform.gif';
    break;
  }
  //o.src=strSrc;
  document.getElementById(id).src=strSrc;
}