var prefsLoaded = false;
    var defaultFontSize =100;
    var currentFontSize = defaultFontSize;
    var showDirectTo = 'false';
    function revertStyles(){    
        currentFontSize = defaultFontSize;
        changeFontSize(0);    
    }
    
    function toggleColors(){
        if(currentStyle == "White"){
            setColor("Black");
        }else{
            setColor("White");
        }
    }
    
    function changeFontSize(sizeDifference){
        currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference * 5);
    
        if(currentFontSize > 220){
            currentFontSize = 220;
        }else if(currentFontSize < 60){
            currentFontSize = 60;
        }
    
        setFontSize(currentFontSize);
    };
    
    function setFontSize(fontSize){
        var stObj = (document.getElementById) ? document.getElementById('content_area') : document.all('content_area');
        document.body.style.fontSize = fontSize + '%';
    
        //alert (document.body.style.fontSize);
    };
    
    
    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 null;
    };
    
    window.onload = setUserOptions;
    
    function setUserOptions(){
        if(!prefsLoaded){
    
            cookie = readCookie("fontSize");
            currentFontSize = cookie ? cookie : defaultFontSize;
            setFontSize(currentFontSize);
    
            prefsLoaded = true;
        }
    
    }
    
    window.onunload = saveSettings;
    
    function saveSettings()
    {
      createCookie("fontSize", currentFontSize, 365);
    }
	
    function show(item){
		if (showDirectTo == 'false') {
			var div = $(item).setStyles({
					display:'block',
					opacity: 0
				});
				
			new Fx.Style(div, 'opacity', {
				duration: 500
			}).start(1);
			
			showDirectTo = 'true';
		} else {			
			var div = $(item).setStyles({
				display:'none',
				opacity: 1
			});
			
			new Fx.Style(div, 'opacity', {duration: 500} ).start(0);	
			
			showDirectTo = 'false';		
		}

	}