// JavaScript Document

function set_cookie(name,value,days) {
 if (days) {
 var date = new Date();
 date.setTime(date.getTime()+(days*24*60*60*1000));
 var expires = "; expires="+date.toGMTString();
 }
 else var expires = "";
 document.cookie = name+"="+value+expires+"; path=/";
}

function get_cookie(name) {
 var name_eq = 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(name_eq) == 0) return c.substring(name_eq.length,c.length);
 }
 return null;
}

function txtSize(ID,size){	
	document.getElementById(ID).style.fontSize = size + '%';
	set_cookie('page_size', size, 30);
}