var rootURL = 'http://www.tenreikaikan.com/';

function readCookie (id) {
	return (new RegExp (" " + id + "=([^;]*)")).test (" " + document.cookie) ? unescape (RegExp.$1) : null;
}

function writeCookie (id, value, days, path, domain, secure) {
	document.cookie = id + "=" + escape(value);
	return true;
}

function changeFontSize(size){
	if(size=="l"){
		writeCookie("fontsize","big","1","/font");
	}
	if(size=="m"){
		writeCookie ("fontsize","middle","1","/font");
	}
	if(size=="s"){
		writeCookie ("fontsize","small","1","/font");
	}
}

function printFontSizeCH(){
	writeCookie ("font","font","1","/font");
	if(readCookie("font")== "font"){
		if(readCookie("fontsize")=="big"){
			document.write ('<img src="' + rootURL + 'images/size.gif" alt="文字サイズ変更" name="font_size" width="130px" height="16px" class="m0-10-0-0" id="font_size"><br>' +
			'<img src="' + rootURL + 'images/font_L_over.gif" alt="大" name="fontsizeL" width="22" height="23" border="0" id="fontsizeL">' +
			'<a href="javascript:location.reload();" onClick="javascript:changeFontSize(\'m\')" onMouseOver="MM_swapImage(\'fontsizeM\',\'\',\'' + rootURL + 'images/font_M_over.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="' + rootURL + 'images/font_M.gif" alt="中" name="fontsizeM" width="22" height="23" border="0" id="fontsizeM"></a>' +
			'<a href="javascript:location.reload();" onClick="javascript:changeFontSize(\'s\')" onMouseOver="MM_swapImage(\'fontsizeS\',\'\',\'' + rootURL + 'images/font_S_over.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="' + rootURL + 'images/font_S.gif" alt="小" name="fontsizeS" width="22" height="23" border="0" id="fontsizeS"></a>');
		} else if(readCookie("fontsize")=="small"){
			document.write ('<img src="' + rootURL + 'images/size.gif" alt="文字サイズ変更" name="font_size" width="130px" height="16px" class="m0-10-0-0" id="font_size"><br>' +
			'<a href="javascript:location.reload();" onClick="javascript:changeFontSize(\'l\')" onMouseOver="MM_swapImage(\'fontsizeL\',\'\',\'' + rootURL + 'images/font_L_over.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="' + rootURL + 'images/font_L.gif" alt="大" name="fontsizeL" width="22" height="23" border="0" id="fontsizeL"></a>' +
			'<a href="javascript:location.reload();" onClick="javascript:changeFontSize(\'m\')" onMouseOver="MM_swapImage(\'fontsizeM\',\'\',\'' + rootURL + 'images/font_M_over.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="' + rootURL + 'images/font_M.gif" alt="中" name="fontsizeM" width="22" height="23" border="0" id="fontsizeM"></a>' +
			'<img src="' + rootURL + 'images/font_S_over.gif" alt="小" name="fontsizeS" width="22" height="23" border="0" id="fontsizeS">');
		} else {
			document.write ('<img src="' + rootURL + 'images/size.gif" alt="文字サイズ変更" name="font_size" width="130px" height="16px" class="m0-10-0-0" id="font_size"><br>' +
			'<a href="javascript:location.reload();" onClick="javascript:changeFontSize(\'l\')" onMouseOver="MM_swapImage(\'fontsizeL\',\'\',\'' + rootURL + 'images/font_L_over.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="' + rootURL + 'images/font_L.gif" alt="大" name="fontsizeL" width="22" height="23" border="0" id="fontsizeL"></a>' +
			'<img src="' + rootURL + 'images/font_M_over.gif" alt="中" name="fontsizeM" width="22" height="23" border="0" id="fontsizeM">' +
			'<a href="javascript:location.reload();" onClick="javascript:changeFontSize(\'s\')" onMouseOver="MM_swapImage(\'fontsizeS\',\'\',\'' + rootURL + 'images/font_S_over.gif\',1)" onMouseOut="MM_swapImgRestore()"><img src="' + rootURL + 'images/font_S.gif" alt="小" name="fontsizeS" width="22" height="23" border="0" id="fontsizeS"></a>');
		}
	}
}

if(readCookie("fontsize")=="big"){
	document.write ('<link rel="stylesheet" type="text/css" href="' + rootURL + 'big.css">');
} 
if(readCookie("fontsize")=="small"){
	document.write ('<link rel="stylesheet" type="text/css" href="' + rootURL + 'small.css">');
}
if(readCookie("fontsize")=="middle"){
	document.write ('<link rel="stylesheet" type="text/css" href="' + rootURL + 'medium.css">');
}



