//ƒtƒHƒ“ƒgƒTƒCƒY•Ï�X—p�Ý’è��������������������������������������������������������

function fontSizeInit() {

	//ƒNƒbƒL�[Žæ“¾
	var n = getCookie('fontsize');
	if (n === null) {
		//�u’†�v‚ðƒfƒtƒHƒ‹ƒg
		n = 'm';
	}

	if(n == "l") {
		applyCSS(document,"css/font-large.css");
	} else if(n == "m") {
		applyCSS(document,"css/font-medium.css");
	} else if(n == "s"){
		applyCSS(document,"css/font-small.css");
	}

	if(document.getElementById('font-sizebtn')){
		//ƒ{ƒ^ƒ“�¶�¬
		btnSet(n);
		btnCreate(n);
	}
}

function btnSet(n) {

	var id = 'font-sizebtn';
	var target = document.getElementById(id);
	var container = document.createElement('div');
	container.setAttribute('id', 'btn');
	target.insertBefore(container, target.firstChild);
	var btn = document.getElementById('btn');

	var ua=navigator.userAgent;
	if(ua.indexOf("MSIE 6")>-1){
		document.getElementById("btn").style.height="50px";
	}else{
		document.getElementById("btn").style.minHeight="50px";
	}
}

function btnCreate(n) {

	var btn = document.getElementById('btn');
	var html = '';
	if(n == "l"){
		html += '<table border="0"><tr><td>';
		html += '<span class="style4">•¶ŽšƒTƒCƒY•Ï�X</span>';
		html += '</td>';
		html += '<td width="86" align="right">';
		html += '<a href="javascript:fontSizeSwitch(\'s\');" title="�¬" tabindex="200"> <img src="images/common/font_size_s.gif" name="ƒtƒHƒ“ƒg�¬" width="18" height="18" /></a> ';
		html += '<a href="javascript:fontSizeSwitch(\'m\');" title="’†" tabindex="200">  <img src="images/common/font_size_m.gif" name="ƒtƒHƒ“ƒg’†" width="21" height="22" /></a> ';
		html += '<a href="javascript:fontSizeSwitch(\'l\');" title="‘å" tabindex="200">  <img src="images/common/font_size_l_select.gif" name="ƒtƒHƒ“ƒg‘å"  width="24" height="24" /></a>';
		html += '</td></tr></table>';
	}
	
	if(n == "m"){
		html += '<table border="0"><tr valign="bottom"><td>';
		html += '<span class="style4">•¶ŽšƒTƒCƒY•Ï�X</span>';
		html += '</td>';
		html += '<td width="86" align="right">';
		html += '<a href="javascript:fontSizeSwitch(\'s\');" title="�¬" tabindex="200"> <img src="images/common/font_size_s.gif" name="ƒtƒHƒ“ƒg�¬" width="18" height="18" /></a> ';
		html += '<a href="javascript:fontSizeSwitch(\'m\');" title="’†" tabindex="200">  <img src="images/common/font_size_m_select.gif" name="ƒtƒHƒ“ƒg’†" width="21" height="22" /></a> ';
		html += '<a href="javascript:fontSizeSwitch(\'l\');" title="‘å" tabindex="200">  <img src="images/common/font_size_l.gif" name="ƒtƒHƒ“ƒg‘å"  width="24" height="24" /></a>';
		html += '</td></tr></table>';
	}
	
	if(n == "s"){
		html += '<table border="0"><tr valign="bottom"><td>';
		html += '<span class="style4">•¶ŽšƒTƒCƒY•Ï�X</span>';
		html += '</td>';
		html += '<td width="86" align="right">';
		html += '<a href="javascript:fontSizeSwitch(\'s\');" title="�¬" tabindex="200"> <img src="images/common/font_size_s_select.gif" name="ƒtƒHƒ“ƒg�¬" width="18" height="18" /></a> ';
		html += '<a href="javascript:fontSizeSwitch(\'m\');" title="’†" tabindex="200">  <img src="images/common/font_size_m.gif" name="ƒtƒHƒ“ƒg’†" width="21" height="22" /></a> ';
		html += '<a href="javascript:fontSizeSwitch(\'l\');" title="‘å" tabindex="200">  <img src="images/common/font_size_l.gif" name="ƒtƒHƒ“ƒg‘å"  width="24" height="24" /></a>';
		html += '</td></tr></table>';
	}

	btn.innerHTML = html;
}

function fontSizeSwitch(n) {

	document.getElementById('btn').innerHTML = "";

	if(n == "l") {
		applyCSS(document,"css/font-large.css");
	} else if(n == "m") {
		applyCSS(document,"css/font-medium.css");
	} else if(n == "s"){
		applyCSS(document,"css/font-small.css");
	}

	//ƒ{ƒ^ƒ“�¶�¬
	if(document.getElementById('font-sizebtn')){
		btnCreate(n);
	}

	//ƒNƒbƒL�[”­�s
	setCookie('fontsize', n,365);

}

function applyCSS(doc, cssfile, overwrite){

	if (typeof overwrite == "undefined") overwrite = 0;      // ƒfƒtƒHƒ‹ƒg:CSS‚Ì�Ø‘Ö‚¦

	// Šù‘¶‚ÌCSS‚ð�í�œ
	if (overwrite && doc.styleSheets.length >= 1) {
		var links = doc.getElementsByTagName("link");
		for (var i = 0 ; i < links.length ; i++) {
			if (links[i].rel == "stylesheet") links[i].parentNode.removeChild(links[i]);
		}
	}

	// CSS’ljÁ
	if (document.all) {
		doc.createStyleSheet(cssfile);
	} else {
		var link = doc.createElement("link");
		link.setAttribute("rel", "stylesheet");
		link.setAttribute("href", cssfile);
		link.setAttribute("type", "text/css");
		doc.getElementsByTagName('head')[0].appendChild(link);
	}
}


//ƒNƒbƒL�[��������������������������������������������������������
function setCookie(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 = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function getCookie(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;
}