function HSSetTextSize(chgsize,rs) 

{

  if (!document.documentElement || !document.body)

  {

    return;

  }



  var newSize;

  var startSize = parseInt(HSGetDocTextSize());



  if (!startSize)

  {

   startSize = 13;

  }



  switch (chgsize)

  {

  case 'incr':

    newSize = startSize + 1;

    break;



  case 'decr':

    newSize = startSize - 1;

    break;



  case 'reset':

    if (rs) 

    {

      newSize = rs;

    } 

   else 

    {

      newSize = 13;

    }

    break;



  default:

    newSize = parseInt(HSReadCookie('HS-textsize', true));

    if (!newSize)

    {

      newSize = startSize;

    }

    break;



  }



  if (newSize < 6) 

  {

	alert("This is the minimum text size allowed");

    newSize = 6;

  }



  if (newSize > 26) 

  {
	alert("This is the maximum text size allowed");

    newSize = 26;

  }



  newSize += 'px';



  document.documentElement.style.fontSize = newSize;

  document.body.style.fontSize = newSize;



  HSCreateCookie('HS-textsize', newSize, 365, true);

}


function HSGetDocTextSize() 

{

  if (!document.body)

  {

    return 0;

  }



  var size = 0;

  var body = document.body;


  if (body.style && body.style.fontSize)

  {

    size = body.style.fontSize;

  }

  else if (typeof(getComputedStyle) != 'undefined')

  {

    size = getComputedStyle(body,'').getPropertyValue('font-size');

  }

  else if (body.currentStyle)

  {

    size = body.currentStyle.fontSize;

  }

  return size;

}



function HSCreateCookie(name,value,days,useLang) 

{

  var langString = useLang ? HSGetLang() : '';



  var cookie = name + langString + '=' + value + ';';



  if (days) 

  {

    var date = new Date();

    var HSMilliSecondsInDay = 86400000; // 24*60*60*1000

    date.setTime(date.getTime()+(days*HSMilliSecondsInDay));

    cookie += ' expires=' + date.toGMTString() + ';';

  }

  cookie += ' path=/; domain=www.beckes.org;';


  document.cookie = cookie;

}


function HSReadCookie(name, useLang) 

{

  var langString = useLang ? HSGetLang() : '';


  var nameEQ = name + langString + '=';

  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 null;

}



function HSGetLang()

{

  var langString = '';



  if (document.documentElement){

    langString = document.documentElement.lang;

    if (langString != ''){

      langString = '-' + langString;

    }

  }  

  return langString;

}



  HSSetTextSize();