function topNavInitial()
{
  var topNav = document.getElementById('topNav');
  var navImgs = document.getElementsByName('navimgs');
  for (imgIndex = 0; imgIndex < navImgs.length; imgIndex++) {
    cat = navImgs[imgIndex].id.split('_');
    cat = cat[1];

    if (location.href.match(cat)) {
      navImgs[imgIndex].src = navImgs[imgIndex].src.replace(/\.png/, '-1.gif');
    } else if ( navImgs[imgIndex].src.match(/-1\.(gif|png)/) ) {
      navImgs[imgIndex].src = navImgs[imgIndex].src.replace(/-1\.(gif|png)/, '.png');
    }
  }
}

document.getElementById('newsContent').changeFontSize = function (size)
  {
    var small  = '13px';
    var medium = '16px';
    var large  = '18px';
    var fontSize = null;

    switch (size) {
      case 'small':
        fontSize = small;
        break;
      case 'medium':
        fontSize = medium;
        break;
      case 'big':
        fontSize = large;
        break
      default :
        fontSize = medium;
    }
    this.style.fontSize = fontSize;
  };


objects = document.getElementsByName('changeFontSize');
for ( objIndex = 0; objIndex < objects.length; objIndex++ ) {
  objects[objIndex].onclick = function ()
    {
      var objs = document.getElementsByName('changeFontSize');
      var size = this.id.substr(this.name.length).toLowerCase();
      var sizeAry = ['Small','Medium','Big'];
      var imgObj = null;
      var imgSrc = '';
      for (sizeIdx = 0; sizeIdx < sizeAry.length; sizeIdx++) {
        if (size == sizeAry[sizeIdx].toLowerCase() ) {
          imgSrc = sizeAry[sizeIdx].substring(0,1).toLowerCase() + '-1.gif';
        } else {
          imgSrc = sizeAry[sizeIdx].substring(0,1).toLowerCase() + '.gif';
        }
        imgObj = document.getElementById('changeFontSize' + sizeAry[sizeIdx]);
        imgObj.src = imgObj.src.replace(/[s,m,b](-1){0,1}.gif/,  imgSrc);
      }
      document.getElementById('newsContent').changeFontSize(size);
    };
}

function initial ()
{
  var anchors = document.getElementsByTagName('a');
  for (objIdx = 0; objIdx < anchors.length; objIdx++) {
    if ( anchors[objIdx].href.match(/#/) ) {
      if ( ! anchors[objIdx].onclick ) {
        anchors[objIdx].onclick = function() {return false;};
      }
    }
  }
  //initialBlockNav('psNav');
}

initial();