function deleteCookie(cookie){
	exp = new Date(); 
	exp.setTime(exp.getTime() - 1800000);
	setCookie(cookie, '', exp, false, false, false);
	//document.location.reload();
}
	
function setCookie(name, value, expires, path, domain, secure) { 
	 var curCookie = name + "=" + escape(value) + 
		((expires) ? "; expires=" + expires.toGMTString() : "") + 
		((path) ? "; path=" + path : "") + 
		((domain) ? "; domain=" + domain : "") + 
		((secure) ? "; secure" : ""); 
	 document.cookie = curCookie;
}



function setMySize(size){
	var exp = new Date(); 
	exp.setTime(exp.getTime() + 18000000000000);
	deleteCookie("fontsize");
	setCookie("fontSize", size, exp, "/", window.location.hostname, "");
}

function changeStyles (size) {
 	var id='story_text';

   setMySize(size);
   obj = document.getElementById(id);
    
	if (!obj) {
       alert("unrecognized ID");
       return false;
    }
	
	if(size=='small'){
    	obj.style.fontSize = "12px";
	}
	if(size=='medium'){
		obj.style.fontSize = "14px";
	}
	if(size=='large'){
		obj.style.fontSize = "16px";
	}
		
	//setMySize(size)
	
    return true;
 }