/*
 * jqswitch.js - jQuery method for style switch
 * Version: 1.0
 * Copyright (c) 2007 A.Kawashima
 * Licensed under the MIT License:
 * http://www.lllcolor.com
 */
 
jQuery(document).ready(function(){
  jQuery('.styleswitch').click(function()
  {
    
    var matches = jQuery(this).attr("class").match(/\d+/);
    var no    = "";
    if(matches != null) no = matches[0];
    
    switchstyle(this.getAttribute("rel"),no);
    
    //jQuery(this).css({"background-color" : "#000"});
    //alert(jQuery(this).attr("class"));
    //jQuery(this).addClass(num+"_On");
    for(var k=1;k<=3;k++){
      if(k==no){
        jQuery(this).removeClass("fontsize"+no); 
        jQuery(this).addClass("fontsize"+no+"_On");
      }else{
        jQuery("#fontsel"+k).removeClass("fontsize"+k+"_On");
        jQuery("#fontsel"+k).addClass("fontsize"+k);
      }
    }
    
  return false;
  });
  
  // initial
  var currentstyle   = readCookie('cssstyle');
  var currentstyleno = readCookie('cssstyleno');
  if (currentstyle && currentstyleno){
    //alert(currentstyle+'->'+currentstyleno);
    switchstyle(currentstyle,currentstyleno);
    jQuery("#fontsel"+currentstyleno).removeClass("fontsize"+currentstyleno);
    jQuery("#fontsel"+currentstyleno).addClass("fontsize"+currentstyleno+"_On");
  }else{
    // default value
    var currentstyleno = 2;
    jQuery("#fontsel"+currentstyleno).removeClass("fontsize"+currentstyleno);
    jQuery("#fontsel"+currentstyleno).addClass("fontsize"+currentstyleno+"_On");
  }
});
function switchstyle(styleName,no){
  jQuery('link[@title=changestyle]').removeAttr("href");
  jQuery('link[@title=changestyle]').attr({ href: styleName });
  createCookie('cssstyle',   styleName, 365);
  createCookie('cssstyleno', no,        365);
}
// cookie script http://www.quirksmode.org/js/cookies.html
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 var 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;
}