var MJ_ADWIDTH;
var MJ_ADHEIGHT;
var MJ_ADFORMAT;
var MJ_BORDER;
var MJ_BACKGROUND;
var MJ_LINK;
var MJ_URL;
var MJ_TEXT;

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) {
      if (c.substring(nameEQ.length,c.length) == "holiday") {
        return "classic";
      } else {
        return c.substring(nameEQ.length,c.length);
      }
    }
  }
  return null;
}

function setGoogleColors(title) {
	if (title == "classic") {
		MJ_ADWIDTH = 120;
		MJ_ADHEIGHT = 600;
		MJ_ADFORMAT = "120x600_as";
		MJ_BORDER = "296D84";
		MJ_BACKGROUND = "FFFFFF";
		MJ_LINK = "0000CC";
	 	MJ_URL="008000";
		MJ_TEXT="6F6F6F";
	} else if (title == "mangasuki") {
		MJ_ADWIDTH = 120;
		MJ_ADHEIGHT = 600;
		MJ_ADFORMAT = "120x600_as";
		MJ_BORDER = "296D84";
		MJ_BACKGROUND = "FFFFFF";
		MJ_LINK = "0000CC";
	 	MJ_URL="008000";
		MJ_TEXT="6F6F6F";
	} else {
		MJ_ADWIDTH = 120;
		MJ_ADHEIGHT = 600;
		MJ_ADFORMAT = "120x600_as";
		MJ_BORDER = "1B2327";
		MJ_BACKGROUND = "798894";
		MJ_LINK = "0000CC";
	 	MJ_URL="008000";
		MJ_TEXT="6F6F6F";
	}
}

window.onload = function(e) {
  var cookie = readCookie("newstyle");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("newstyle", title ? title : "neo", 365);
}

var cookie = readCookie("newstyle");
var title = (cookie && cookie != "null") ? cookie : getPreferredStyleSheet();
setGoogleColors(title);
setActiveStyleSheet(title);