/*******************************
 $Date: 2006/07/23$
 $title: フォントサイズ切り替え $
 *******************************/

function setActiveStyleSheet(title){
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++){
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")){
			a.disabled = true;
			if(a.getAttribute("title") == title){
				a.disabled = false;
				createCookie("nishitetsutravel.jp","fontsize_style", title, 365);
			}
		}
	}
}

function getActiveStyleSheet(){
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++){
		if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
	}
	return null;
}

function getPreferredStyleSheet(){
	var i, a;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++){
		if(a.getAttribute("rel").indexOf("style") != -1
		&& a.getAttribute("rel").indexOf("alt") == -1
		&& a.getAttribute("title")
		) return a.getAttribute("title");
	}
	return null;
}

function fontResizeOnload(){
	var cookie = readCookie("fontsize_style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
	document.getElementById("ssize").style.cursor="pointer";
	document.getElementById("msize").style.cursor="pointer";
	document.getElementById("lsize").style.cursor="pointer";
}