function changeStyleTxt(changeto){
 var changethis = document.getElementById('stylesheet');
 if(changeto=='full'){
  changethis.innerHTML = '<a href="#" onclick="setActiveStyleSheet(\'main\'); changeStyleTxt(\'plain\'); return false;">Full version</a>'; 
 }else if(changeto=='plain'){
   changethis.innerHTML = '<a href="#" onclick="setActiveStyleSheet(\'plaintext\'); changeStyleTxt(\'full\'); return false;">Text only version</a>'; 
 }
}

function setActiveStyleSheet(title) {
  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;
}


window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
  changeStyleTxt(title == "plaintext" ? "full" : "plain");

  var peopleList = $('peoplelist');
	
	if(peopleList != null)
	{
		if(p1.length == 0)
			$("plP1").className = "hide";
		if(p2.length == 0)
			$("plP2").className = "hide";
		if(p3.length == 0)
			$("plP3").className = "hide";
		if(p4.length == 0)
			$("plP4").className = "hide";
		if(p5.length == 0)
			$("plP5").className = "hide";
		if(p6.length == 0)
			$("plP6").className = "hide";
		if(p7.length == 0)
			$("plP7").className = "hide";
		if(p8.length == 0)
			$("plP8").className = "hide";
	}
}

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

/*
var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);
changeStyleTxt(title == "plaintext" ? "full" : "plain");
*/