var csstype = new Array();
var fimgOn = new Array();
var fimgOff = new Array();

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

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

csstype[0] = {
	num : "L",
	name : "large",
	img_name : "sizeL"
};
csstype[1] = {
	num : "",
	name : "medium",
	img_name : "sizeM"
};

csstype[2] = {
	num : "S",
	name : "small",
	img_name : "sizeS"
};


fimgOn[0] = new Image();
fimgOn[0].src = "/resource/img/sizeL_e_btn_sel.gif";
fimgOn[1] = new Image();
fimgOn[1].src = "/resource/img/sizeM_e_btn_sel.gif";
fimgOn[2] = new Image();
fimgOn[2].src = "/resource/img/sizeS_e_btn_sel.gif";

fimgOff[0] = new Image();
fimgOff[0].src = "/resource/img/sizeL_e_btn.gif";
fimgOff[1] = new Image();
fimgOff[1].src = "/resource/img/sizeM_e_btn.gif";
fimgOff[2] = new Image();
fimgOff[2].src = "/resource/img/sizeS_e_btn.gif";

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 = "";    // else expires = "; expires=Fri, 31-Dec-1999 23:59:59 GMT;";
  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("did-daido");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

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

var cookie = readCookie("did-daido");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);


/*------------------------------------------------*/


var flg = "";


function setActiveImage( active_title ){
	flg = active_title;
	var num = ( flg=="large" )? 0 : (( flg=="medium" )? 1 : 2 );
	for( var i=0; i<csstype.length; i++ ){
		MM_swapImage(csstype[i].img_name,'',fimgOff[i].src,1);
	}
	MM_swapImage(csstype[num].img_name,'',fimgOn[num].src,1);
}


function setActiveStyle( title ){
	setActiveStyleSheet( title );
	setActiveImage( title );
}


function init(){
	title = cookie ? cookie : "medium";
	setActiveStyle(title);
}