// JavaScript Document
function resizeText(change,set) {
	
	var ele = "content";
	var div = document.getElementById(ele);
	
	if (change!="" && set=="") {
		
		var currentSize = div.style.fontSize;
		var stripped = currentSize.substr(0,currentSize.length-2);
		
		if (change=="enlarge") {
			
			var newSize = (stripped*1)+2;
			div.style.fontSize = newSize+"px";
			setCookie('textSize',newSize,30);
			
		} else if (change=="shrink") {
			
			var newSize = (stripped*1)-2;
			div.style.fontSize = newSize+"px";
			setCookie('textSize',newSize,30);
			
		} else if (change=="default") {
			
			div.style.fontSize = "12px";
			setCookie('textSize','12',30);
			
		}
		
	} else {
		
		div.style.fontSize = set+"px";
		
	}
	
}

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));
			
		} 
		
	} else { return ""; }
	
}

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());
	
}

function checkCookie() {
	
	textSize=getCookie('textSize');
	
	if (textSize!=null && textSize!="") {
		
		resizeText('',textSize);
		
	} else { return false; }
	
}