// JavaScript Document
// charset utf-8


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

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 = '文字サイズ：<span id="udMenuSizeS"><a href="javascript:void(0);" onclick="javascript:setTextSize(\'80%\');">小</a></span> <span id="udMenuSizeMon"><a href="javascript:void(0);" onclick="javascript:setTextSize(\'100%\');">中</a></span> <span id="udMenuSizeL"><a href="javascript:void(0);" onclick="javascript:setTextSize(\'120%\');">大</a></span>';
	} else if ( size == "120%" ){
		str = '文字サイズ：<span id="udMenuSizeS"><a href="javascript:void(0);" onclick="javascript:setTextSize(\'80%\');">小</a></span> <span id="udMenuSizeM"><a href="javascript:void(0);" onclick="javascript:setTextSize(\'100%\');">中</a></span> <span id="udMenuSizeLon"><a href="javascript:void(0);" onclick="javascript:setTextSize(\'120%\');">大</a></span>';
	} else {
		str = '文字サイズ：<span id="udMenuSizeSon"><a href="javascript:void(0);" onclick="javascript:setTextSize(\'80%\');">小</a></span> <span id="udMenuSizeM"><a href="javascript:void(0);" onclick="javascript:setTextSize(\'100%\');">中</a></span> <span id="udMenuSizeL"><a href="javascript:void(0);" onclick="javascript:setTextSize(\'120%\');">大</a></span>';
	}
	document.getElementById("udMenu").innerHTML = str;
	setCookie('size', size ,'7');
}

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

// 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;
}