/*============================
# フォントサイズ変更
#===========================*/
function setFontSize(size) {
	if (size) {
		var exp = new Date();
		exp.setTime(exp.getTime() + 1000 * 60 * 60 * 24 * 365);
		document.cookie = "fontSize=" + size + "; path=/; expires=" + exp.toGMTString();
	} else {
		var cArr = document.cookie.split("; ");
		var n = 0;
		while(cArr[n]){
			var cReg = new RegExp("^fontSize=");
			if(cArr[n].match(cReg)){
				size = cArr[n].charAt(9);
				break;
			}
			n++;
		}
		if(size == "") size = "M";
	}
	
	var path = '/css/font' + size + '.css';
	var link = document.getElementsByTagName("link");
	var lReg = new RegExp("css\/font.\.css$");
	for (var i = 0 ; i < link.length ; i++){
		if(link[i].type == "text/css" && link[i].href.match(lReg)) link[i].href = path;
	}
}