/*
 * jQuery fontsize switcher
 * http://az-store.nrym.org/
 */
$(function(){
	var currentstyle = readCookie('fontStyle');
	if (currentstyle){
		switchFont(currentstyle);
	} else {
		switchFont("fontM");
	};
	$("img.sizeL").click(function(){
		switchFont("fontL");
		return false;
	});
	$("img.sizeM").click(function(){
		switchFont("fontM");
		return false;
	});
	$("img.sizeS").click(function(){
		switchFont("fontS");
		return false;
	});
});
function switchFont(className){
	$("body").removeAttr("class").addClass(className);
	createCookie('fontStyle', className, 365);
	var srcUrl = "/common/images/text_size";
	document.getElementById("large").src = srcUrl + "l_off.gif";
	document.getElementById("medium").src = srcUrl + "m_off.gif";
	document.getElementById("small").src = srcUrl + "s_off.gif";
	if (className == "fontL") document.getElementById("large").src = srcUrl + "l_sel.gif";
	if (className == "fontM") document.getElementById("medium").src = srcUrl + "m_sel.gif";
	if (className == "fontS") document.getElementById("small").src = srcUrl + "s_sel.gif";
};
// cookie script http://www.quirksmode.org/js/cookies.html
function createCookie(name,value,days){
	if (days){
	var date = new Date();
	date.setTime(date.getTime()+(days*24*60*60*1000));
	var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(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;
}