/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Pascal Vyncke :: http://www.SeniorenNet.be */

// These are the variables; you can change these if you want
var expDays = 365;  // How many days to remember the setting
var standardStyle = '1'; // This is the number of your standard style sheet; this will be used when the user did not do anything.
var nameOfCookie = 'dcas_font_size'; // This is the name of the cookie that is used.
var urlToCSSDirectory = '/wp-content/themes/porres/css/'; // This is the URL to your directory where your .css files are placed on your site.  For example: http://www.seniorennet.be/URL_TO_STYLESHEET_DIRECTORY_OF_YOUR_SITE/

// These are the names of your different .css files; use the name exactly as on your Web site
var ScreenCSS_1 = 'txt1.css';
var ScreenCSS_2 = 'txt2.css';
var ScreenCSS_3 = 'txt3.css';

/***********************************************************************************************

	DO NOT CHANGE ANYTHING UNDER THIS LINE, UNLESS YOU KNOW WHAT YOU ARE DOING

***********************************************************************************************/

// This is the main function that does all the work
function switchStyle(){
	var fontSize = GetCookie(nameOfCookie);
	if (fontSize == null) {
		fontSize = standardStyle;
	}

	if (fontSize == "1") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + ScreenCSS_1 + '" media="screen">'); }
	if (fontSize == "2") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + ScreenCSS_2 + '" media="screen">'); }
	if (fontSize == "3") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + ScreenCSS_3 + '" media="screen">'); }

	var fontSize = "";
	return fontSize;
}

var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

// Function to get the settings of the user
function getCookieVal (offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
	endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

// Function to get the settings of the user
function GetCookie (name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
		return getCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null;
}

// Function to remember the settings
function SetCookie (name, value) {
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) +
	"; expires=" + exp.toGMTString() +
	"; path=/" +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");
}

// Function to remove the settings
function DeleteCookie (name) {
	var exp = new Date();
	exp.setTime (exp.getTime() - 1);
	var cval = GetCookie (name);
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

// This function is used when the user gives his selection
function doRefresh(){
	location.reload();
}

// This will call the main function.  Do not remove this, because otherwise this script will do nothing...
window.onload = switchStyle();


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}