/*******************************************************************
* JavaScript/CSS Font Size Changer (Persistent Between Pages)
* (c) DB Design, All rights are reserved
* http://phpscriptindex.com, phpsales@gmail.com
******************************************************************/

var fontElementIds = ["newsItems", "peopleVideoBlock", "nav", "footer"];

//DO NOT MODIFY BELOW

/* Module Change Font (string) */
function changeFont(fontClass){
	for(var i=0; i<fontElementIds.length; i++){
		var element = document.getElementById(fontElementIds[i]);
		if(element != null){
			element.className = fontClass;
			setCookie("lcFontSize", fontClass, 5);
			switch(fontClass){
				case "large_font":
					document.getElementById("textSizes").style.backgroundImage = "url("+siteRoot+"images/main/type-large.gif)";
					break;
				case "medium_font":
					document.getElementById("textSizes").style.backgroundImage = "url("+siteRoot+"images/main/type-medium.gif)";
					break;
				case "small_font":
				default:
					document.getElementById("textSizes").style.backgroundImage = "url("+siteRoot+"images/main/type-small.gif)";
					break;
			}
		}
	}
}		

/* Module Set Default Font Size (void) */
function setDefaultFontSize(){
	var fontSize = getCookie("lcFontSize")
	if(fontSize) changeFont(fontSize);
}

/* 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)+";path=/"+ ((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;
}

//window.onload = setDefaultFontSize;