// Initialize the arrays containing our size info.

var pixelArray = new Array('10px','11px','12px','13px','14px'); // Possible font px sizes
var countOfPixels = pixelArray.length;
var initSize = 2; // Array position of inital px size
/*
var fontSizerString = ""+<r><![CDATA[
<div id="font_resizer">
  <span class="cReduceTextSize">
    <a href="#" title="Reduce text size" onclick="fontSizer(-1);">
      A-
    </a>
  </span>
  <span class="cNormalTextSize">
    <a href="#" title="Normal text size" onclick="normalSize();">
      A
    </a>
  </span>
  <span class="cEnlargeTextSize">
    <a href="#" title="Enlarge text size" onclick="fontSizer(1);">
      A+
    </a>
  </span>
</div>
]]></r>;
*/
function fontSizer(inc) {
  /*if (!document.getElementById) return;*/

  var size = readCookie('size');
  size = parseInt(inc)+parseInt(size);
  if (size < 0 ) { size = 0; }
  if (size > countOfPixels ) { size = countOfPixels; }

  doFontSizing(size);

  createCookie("size", size, 365);
}

function fontSizerOnLoad(preferredSize) {
  /*if (!document.getElementById) return;*/

  var size = readCookie('size');
  if (size < 0 ) { size = 0; }
  if (size > countOfPixels ) { size = countOfPixels; }

  /*switchPic();*/
  doFontSizing(size);
}

function doFontSizing(theFontSize) {
  // Bugfix: Elements inside table would not resize with only the code below, so we do them seperatly.
  // NOTE: This only resizes the font, nothing else.
  // Resize by ID does not work with this.
  aTables = document.getElementsByTagName('table');
  for(i = 0; i < aTables.length; i++){
      aTables[i].style.fontSize = pixelArray[theFontSize];
  }

  // if you rather want to size an individual element by ID, use this:
  // resizeContainer = document.getElementById('nameOfConainingElement');
  // and uncomment the if statements at the start of each function
  resizeContainer = document.getElementsByTagName('body')[0];
  resizeContainer.style.fontSize = pixelArray[theFontSize];

}

function normalSize() {
  /*if (!document.getElementById) return;*/

  var size = 2;

  doFontSizing(size);
  createCookie("size", size, 365);
}

function normalSizePrint() {
  /*if (!document.getElementById) return;*/

  var size = 2;

  doFontSizing(size);
}

/*function switchPic(size){
  theImage = document.getElementById('dIndexBanner').firstChild;
  imagePath = theImage.src;

}*/

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "expires="+date.toGMTString();
  }
  else {
    expires = "";
  }
  document.cookie = name+'='+value+'; '+expires+'; path=/';
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' '){
      c = c.substring(1,c.length);
    }
    if (c.indexOf(nameEQ) == 0) {
      return c.substring(nameEQ.length,c.length);
    }
  }
  return initSize;
}

window.onload = function(e) {
  fontSizerOnLoad(readCookie("size"));
}