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;}if(get_cookie("page_size") != null){       document.write('<style>');    document.write('body{');    document.write('font-size:'+ get_cookie("page_size") + 'em');    document.write('}');    document.write('</style>')}else{    document.write('<style>');    document.write('body{');    document.write('font-size: 1em');    document.write('}');    document.write('</style>')   }