(
function(){
//begin

//Cookie Functions from quirksmode - http://www.quirksmode.org/js/cookies.html
function createCookie(name,value,days) {
    var expires;
    
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		expires = "; expires="+date.toGMTString();
	}
	else {
	    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;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

//Font resizer
var siteFontCookieName = 'astellas_font_size';
var currentSize = readCookie(siteFontCookieName) || 'font_medium';

//Once the DOM is ready, we want to fire the fontsizer init
function fontSizerInit(){
	YAHOO.util.Dom.addClass(document.body, currentSize);
//	YAHOO.util.Dom.addClass(document.getElementById('subnav'), currentSize);
    add_cur(YAHOO.util.Dom.get(currentSize));
}
YAHOO.util.Event.onDOMReady(fontSizerInit);

//This is the call back for my font resizer
function fontResizeHandler(e){
	
	//get the target
	var elTarget = YAHOO.util.Event.getTarget(e);
    var oldSize = currentSize;
    currentSize = elTarget.id;
	YAHOO.util.Dom.replaceClass(document.body, oldSize, currentSize );
//	YAHOO.util.Dom.replaceClass(document.getElementById('subnav'), oldSize, currentSize );
	createCookie(siteFontCookieName,currentSize,365);	

    remove_cur(YAHOO.util.Dom.get(oldSize));
    add_cur(YAHOO.util.Dom.get(currentSize));
}

function remove_cur(image) {
    var src = (image.src).replace('_cur', '');
    image.src = src;
}

function add_cur(image) {
    var src = (image.src).replace('.gif', '_cur.gif');
    image.src = src;
}

//Looks for somehting with id font_resizer
YAHOO.util.Event.on('font_resizer', "click", fontResizeHandler); 
//end
}()
);