/*****************************************
				Cookie
******************************************/
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;
}
/*****************************************
				End Cookie
******************************************/


/*****************************************
				Font changer
******************************************/
function revertStyles(){

	currentFontSize = defaultFontSize;
	changeFontSize(0);

}

function changeFontSize(sizeDifference){
	currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference * 5);

	if(currentFontSize > 100){
		currentFontSize = 100;
	}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);
};

/*******************************************************
				End font changer
*******************************************************/

/*******************************************************
				Show Hide Right Panel
*******************************************************/
function showhide(){
	currentShowHide *= -1;
	fadeSize.toggle('width',150);
//	rightmargin.toggle('width');
}
/*******************************************************
				End Show Hide
*******************************************************/


/*******************************************************
				Start Strech
*******************************************************/
function init(){
		
		var stretchers = document.getElementsByClassName('stretcher'); //div that stretches
		var toggles = document.getElementsByClassName('display'); //h3s where I click on

		//accordion effect
		var myAccordion = new fx.Accordion(
			toggles, stretchers, {opacity: true, duration: 400}
		);

		//hash functions
		var found = false;
		toggles.each(function(h3, i){
			var div = Element.find(h3, 'nextSibling'); //element.find is located in prototype.lite
			if (window.location.href.indexOf(h3.title) > 0) {
				myAccordion.showThisHideOpen(div);
				found = true;
			}
		});
		if (!found) myAccordion.showThisHideOpen(stretchers[0]);
	}
	
/*******************************************************
				End Switcher
*******************************************************/


var prefsLoaded = false;
var defaultFontSize = 76;
var currentFontSize = defaultFontSize;

var currentShowHide = 1;
var fadeSize = null;
//var rightmargin = null;

function setUserOptions(){
//	ScrollLinks.start();
//	init();
	fadeSize = new fx.Combo('links', {width: true, opacity: true, duration: 400});
	//rightmargin = new fx.FadeSize('rightmargin', {duration: 400});
	if(!prefsLoaded){

		cookie = readCookie("fontSize");
		currentFontSize = cookie ? cookie : defaultFontSize;
		setFontSize(currentFontSize);		
		prefsLoaded = true;
		
		cookie = readCookie("showHide");
		currentShowHide = cookie ? cookie : 1;
		if (currentShowHide == -1){
			fadeSize.toggle('width');
		
		}		
	}
}

function saveSettings()
{
  createCookie("showHide", currentShowHide, 365);
  createCookie("fontSize", currentFontSize, 365);
}


window.onload = setUserOptions;
window.onunload = saveSettings;



