// Style Sheet Switcher from A List Apart 
// ISSN: 1534-0295. 2 November 2001 Ð Issue No. 126 http://www.alistapart.com/articles/alternate/
// Article written by Paul Swoden http://www.idontsmoke.co.uk/

function setActiveStyleSheet(title) {
  createCookie("theme", title, 365);
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

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;
}

var onloadDoOther=false; //function for other scripts using the onload event handler
window.onload = function(e) {
//check if the onload event is required
  if(onloadDoOther){
     doOther();
  }
  var cookie = readCookie("theme");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("theme", title, 365);
}

var cookie = readCookie("theme");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

//font size switcher inspired by mikeindustries.com

function renderFontsize () {

	document.write('<form>');
	document.write('<div id="font-menu"><select id="fontsize" name="fontsize" onChange="changeFontSize(this.options[selectedIndex].value);">');
	for ( var x=10; x <= 24; x++) {
		if (Number(x) == Number(fontsize)) {
			document.write('<option value="'+x+'" selected="selected">font: '+x+'px<\/option>');
		} else {
			document.write('<option value="'+x+'">font: '+x+'px<\/option>');
		}
	}
	document.write('<\/select><\/div><\/form>');
}

var fontsize = readCookie('fontsize');

if (!fontsize) {
	var fontsize = 12;
}

function changeFontSize (fontsize) {
  createCookie('fontsize', fontsize, 365);
  self.location.href = self.location.href;
}

document.write('<style type="text/css">');
document.write('#content, #footer {font-size:'+fontsize+'px; line-height: 1.5em}');
document.write('<\/style>');

function renderSbsIntro () {
	var introSWF;

	introSWF  = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="740" height="210">';
	introSWF += '<param name="movie" value="/swfs/sbsIntro.swf" />';
	introSWF += '<embed src="/swfs/sbsIntro.swf" width="740" height="310" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer" />';
	introSWF += '<'+'/object>';
	document.getElementById('intro').innerHTML = introSWF;
}