// JavaScript Document

/////////////////////////////////////////////////////////////////////////////////
// body onload
/////////////////////////////////////////////////////////////////////////////////

/*
function loadCookie(){
	var size = "80%";
	var getsize = getCookie('size');
	if(getsize != null){
		size = getsize;
	}
	setTextSize(size);

	//var cssTitle = getCookie('style');
	//setActiveStyleSheet(cssTitle);

}
*/

function LoadUdMenu(){
	var size = "80%";
	var getsize = getCookie('size');
	if(getsize != null){
		size = getsize;
	}
	setTextSize(size);
}

function setTextSize(size){
	document.getElementsByTagName("body")[0].style.fontSize = size;
	var str = null;
 if ( size == "100%" ){
		str = '<a href="javascript:void(0);" onclick="javascript:setTextSize(\'80%\');"><img src="http://gyoda-city.net/images/font_size_s.gif" alt="文字サイズ「小」" width="24" height="24" border="0"></a><a href="javascript:void(0);" onclick="javascript:setTextSize(\'100%\');"><img src="http://gyoda-city.net/images/font_size_m_s.gif" alt="文字サイズ「中」" width="24" height="24" border="0"></a><a href="javascript:void(0);" onclick="javascript:setTextSize(\'120%\');"><img src="http://gyoda-city.net/images/font_size_l.gif" alt="文字サイズ「大」" width="24" height="24" border="0"></a>';
	} else if ( size == "120%" ){
		str = '<a href="javascript:void(0);" onclick="javascript:setTextSize(\'80%\');"><img src="http://gyoda-city.net/images/font_size_s.gif" alt="文字サイズ「小」" width="24" height="24" border="0"></a><a href="javascript:void(0);" onclick="javascript:setTextSize(\'100%\');"><img src="http://gyoda-city.net/images/font_size_m.gif" alt="文字サイズ「中」" width="24" height="24" border="0"></a><a href="javascript:void(0);" onclick="javascript:setTextSize(\'120%\');"><img src="http://gyoda-city.net/images/font_size_l_s.gif" alt="文字サイズ「大」" width="24" height="24" border="0"></a>';
	} else {
		str = '<a href="javascript:void(0);" onclick="javascript:setTextSize(\'80%\');"><img src="http://gyoda-city.net/images/font_size_s_s.gif" alt="文字サイズ「小」" width="24" height="24" border="0"></a><a href="javascript:void(0);" onclick="javascript:setTextSize(\'100%\');"><img src="http://gyoda-city.net/images/font_size_m.gif" alt="文字サイズ「中」" width="24" height="24" border="0"></a><a href="javascript:void(0);" onclick="javascript:setTextSize(\'120%\');"><img src="http://gyoda-city.net/images/font_size_l.gif" alt="文字サイズ「大」" width="24" height="24" border="0"></a>';
	}
	document.getElementById("udMenu").innerHTML = str;
	setCookie('size', size ,'7');
}

/*
function changeStyle(cssTitle){
	setActiveStyleSheet(cssTitle);
	setCookie('style', cssTitle);	
}
*/
/*
function setActiveStyleSheet(cssTitle) {
   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") == cssTitle) a.disabled = false;
     }
   }
}
*/

/////////////////////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////////////////////

// Example:
// setCookie("myCookie", "my name", 24);
// Stores the string "my name" in the cookie "myCookie" which expires after 24 hours.
function setCookie(name, value, hours) {
  var expire = "";
  if(hours == null) {
			hours = 24;
		}
		expire = new Date((new Date()).getTime() + hours * 3600000);
		expire = "; expires=" + expire.toGMTString();
  document.cookie = escape(name) + "=" + escape(value) + "; path=/" + expire;
}
// Example:
// alert( getCookie("myCookie") );
function getCookie(name)
{
  var cookieValue = "";
  var search = name + "=";
  if(document.cookie.length > 0)
  { 
    offset = document.cookie.indexOf(search);
    if (offset != -1)
    { 
      offset += search.length;
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
      cookieValue = unescape(document.cookie.substring(offset, end))
    }
  }
  return cookieValue;
}