/*
========== setting ==========
*/

// unit
var fontSizeUnit = "%";

// value
var perOrder = 15;

// original
var defaultSize = 100;

// cookie name
var cookName = "swrb_oteire_site";

// validation
var cookDays = 3;

// cooloe path
var cookPath = "/"

/*
====================
*/

// read cookie
var bsFC = GetCookie( cookName );

if ( bsFC == null ){
  var currentSize = defaultSize;
}
else{
  var currentSize = eval( bsFC );
}

/*
====================
*/

document.writeln( '<style type="text/css" media="screen,print,tv">' );

document.write( 'p {font-size:' + currentSize + fontSizeUnit+ '}' );

document.writeln( '</style>' );

function bsfont( CMD ){

  // bigger
  if ( CMD == "larger" ){
    var newSize = Number( currentSize + perOrder );
    SetCookie( cookName , newSize );          //set cookie
  }

  // smaller
  if ( CMD == "smaller" ){
    if ( currentSize != perOrder ){
      var newSize = Number( currentSize - perOrder );
      SetCookie( cookName , newSize );          //set cookie
    }
    else{
      var newSize = Number( currentSize );
    }
  }

  // reset
  if ( CMD == "default" ){
    DeleteCookie( cookName );          //reset cookie
  }

  // reload page

  location.reload();
}

/* [SetCookie] */

function SetCookie( name , value ){
  var dobj = new Date();
  dobj.setTime(dobj.getTime() + 24 * 60 * 60 * cookDays * 1000);
  var expiryDate = dobj.toGMTString();
  document.cookie = name + '=' + escape(value) + ';expires=' + expiryDate + ';path=' + cookPath;
}

/* [GetCookie] */

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;
}

/* [getCookieVal] */

function getCookieVal (offset){
  var endstr = document.cookie.indexOf (";", offset);
  if (endstr == -1)
  endstr = document.cookie.length;
  return unescape(document.cookie.substring(offset,endstr));
}

/* [DeleteCookie] */

function DeleteCookie(name){
  if (GetCookie(name)){
    document.cookie = name + '=' +
    '; expires=Thu, 01-Jan-70 00:00:01 GMT;path='+cookPath;
  }
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
win=window.open(theURL,winName,features);
win.focus();
}