var myElement1 = document.getElementById("content");
var myElement2 = document.getElementById("contentNoIntro");
var myElement3 = document.getElementById("contentNoIntroNoRight");
if (myElement1 != null) {
	var fontElementId = "content";
}
if (myElement2 != null) {
	var fontElementId = "contentNoIntro";
}
if (myElement3 != null) {
	var fontElementId = "contentNoIntroNoRight";
}

/* Module Change Font (string) */
function changeFont(fontClass){
	var element = document.getElementById(fontElementId);
	element.className = fontClass;
	setCookie("fontSize", fontClass, 5);
	selected();
	return false;
}		

/* Module Set Default Font Size (void) */
function setDefaultFontSize(){
	var fontSize = getCookie("fontSize")
	if(fontSize){
		var element = document.getElementById(fontElementId);
		element.className = fontSize;
	}
	selected();
}
function selected()
{
	var fontSize = getCookie("fontSize");
	if(fontSize){
		reset_select();
		if(fontSize=='small_font')
		{
			document.getElementById('small').setAttribute('class','font selected');
			document.getElementById('small').setAttribute('className','font selected');
		}
		if(fontSize=='regular_font')
		{
			document.getElementById('regular').setAttribute('class','font selected');
			document.getElementById('regular').setAttribute('className','font selected');
		}
		if(fontSize=='large_font')
		{
			document.getElementById('large').setAttribute('class','font selected');
			document.getElementById('large').setAttribute('className','font selected');
		}
	}
	
}
function reset_select()
{
	document.getElementById('small').setAttribute('class','font');
	document.getElementById('small').setAttribute('className','font');
	document.getElementById('regular').setAttribute('class','font');
	document.getElementById('regular').setAttribute('className','font');
	document.getElementById('large').setAttribute('class','font');
	document.getElementById('large').setAttribute('className','font');
}

/* Module Set Cookie (string, string, int) -- http://www.w3schools.com/js/js_cookies.asp */
function setCookie(c_name,value,expiredays){
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+ ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}
/* Module Get Cookie (string) -- http://www.w3schools.com/js/js_cookies.asp */
function getCookie(c_name){
	if(document.cookie.length>0){
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1){ 
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return false;
}