var sizeUp='<a href="javascript:void(0);" onclick="resizeText(\'+\')"><div id="size-up"></div></a>';
var sizeUpDisabled='<div id="size-up-disabled"></div>';
var sizeDown='<a href="javascript:void(0);" onclick="resizeText(\'-\')"><div id="size-down"></div></a>';
var sizeDownDisabled='<div id="size-down-disabled"></div>';
var sizeNormal='<a href="javascript:void(0);" onclick="resizeText(\'\')"><div id="size-normal"></div></a>';
var sizeNormalDisabled='<div id="size-normal-disabled"></div>';
var sizeControl=sizeDown+sizeNormal+sizeUp;
var minSize='80';
var normSize='87.5';
var maxSize='115';
function resizeText(direction) {
  var textSize;

  if(get_cookie("TAF_text_size") != null) {  
    textSize=get_cookie("TAF_text_size");
  } else {
    textSize=normSize;
  }
  if(direction=="-") {  
    textSize=Math.round(textSize*0.97);
  } else if (direction == "+"){  
    textSize=Math.round(textSize*1.03);
  } else {
	textSize=normSize;
  }
 
  if(parseInt(textSize)<=parseInt(minSize))
  {
	sizeControl=sizeDownDisabled+sizeNormal+sizeUp;
    textSize=minSize;
  }
  else if(parseInt(textSize)>=parseInt(maxSize))
  {
 	sizeControl=sizeDown+sizeNormal+sizeUpDisabled;
    textSize=maxSize;
  }
  else if(parseInt(textSize)==parseInt(normSize))
  {
	sizeControl=sizeDown+sizeNormalDisabled+sizeUp;
  }
  else
  {
	  sizeControl=sizeDown+sizeNormal+sizeUp;
  }
  document.getElementById("sizeControls").innerHTML = sizeControl;
  //alert("Text size: "+textSize);
  set_cookie("TAF_text_size", textSize, 30);
  document.body.style.fontSize = textSize+"%";
  var objName="sizable";
  var arr = new Array();
  arr = document.getElementsByName(objName);
  for(var i = 0; i < arr.length; i++)
  {
    document.getElementsByName(objName).item(i).style.fontSize = textSize+"%";
  }
}



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

function get_cookie(name) {
    var name_eq = 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(name_eq) == 0) return c.substring(name_eq.length,c.length);
    }
    return null;
}



function setInitialSize()
{
  if(get_cookie("TAF_text_size") != null) {  
    textSize=get_cookie("TAF_text_size");
  } else {
    textSize=normSize;
  }
  if(parseInt(textSize)==parseInt(minSize))
  {
	sizeControl=sizeDownDisabled+sizeNormal+sizeUp;
  }
  else if(parseInt(textSize)==parseInt(maxSize))
  {
 	sizeControl=sizeDown+sizeNormal+sizeUpDisabled;
  }
  else if(parseInt(textSize)==parseInt(normSize))
  {
	sizeControl=sizeDown+sizeNormalDisabled+sizeUp;
  }

  document.getElementById("sizeControls").innerHTML = sizeControl;

  document.body.style.fontSize = textSize+"%";
  var objName="sizable";
  var arr = new Array();
  arr = document.getElementsByName(objName);
  for(var i = 0; i < arr.length; i++)
  {
    document.getElementsByName(objName).item(i).style.fontSize = textSize+"%";
  }
}