var font_level = getCookie("font_level");


window.onload = function() {
  if(!font_level)font_level = 2;
  font_swich(font_level);
}
function getCookie(key) {
	tmp = document.cookie+";";
	tmp1 = tmp.indexOf(key, 0);

	if (tmp1 != -1) {
		tmp = tmp.substring(tmp1,tmp.length);
		start = tmp.indexOf("=",0)+1;
		end = tmp.indexOf(";",start);
		return(decodeURI(tmp.substring(start,end)));
	}
	return("");
}


function SetCookie( name , value ){
  var dobj = new Date();
  dobj.setTime(dobj.getTime() + 24 * 60 * 60 * 3 * 1000);
  var expiryDate = dobj.toGMTString();
  document.cookie = name + '=' + value + ';expires=' + expiryDate + ';path=/';
}

function font_swich(flevel){
  if(flevel == "")flevel = 2;
  if(flevel == 1){
  	level1 = ' class="active"';	level2 = '';	level3 = '';
	SetCookie("font_level","1");
	newsize = '10px';
  }else if(flevel == 3){
  	level1 = '';	level2 = '';	level3 = ' class="active"';
	SetCookie("font_level","3");
	newsize = '15px';
  }else{
  	level1 = '';	level2 = ' class="active"';	level3 = '';
	SetCookie("font_level","2");
	newsize = '12px';
  }
  $('font_switcher').innerHTML = '<ul>' +
	'<li id="fss"><a href="javascript:;" onclick="font_swich(1);"' + level1 + '>文字サイズを小さくする。</a></li>' +
	'<li id="fsn"><a href="javascript:;" onclick="font_swich(2);"' + level2 + '>文字サイズを標準サイズにする。</a></li>' +
	'<li id="fsb"><a href="javascript:;" onclick="font_swich(3);"' + level3 + '>文字サイズを大きくする。</a></li>' +
	'</ul><p class="cl"></p>';
  $('contentarea').style.fontSize = newsize;
}


function RunGrandprix() {
	document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="534" height="180">\n');
	document.write('<param name="movie" value="index.swf" />\n');
	document.write('<param name="quality" value="high" />\n');
	document.write('<embed src="index.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="534" height="180"></embed>\n');
	document.write('</object>\n');
}