// JavaScript Document
function tulosta(text){
text=document
print(text);}

function big_text(){
/*aseta cookie*/
SetCookie("big");
/*muuta elementtien tekstin koko*/
set_big();

}

function small_text(){
/*aseta cookie*/
SetCookie("small");
/*muuta elementtien tekstin koko*/
set_small();
}

function set_big(){
document.getElementById('text').style.font = "16px  Arial, Tahoma, Verdana, Helvetica, sans-serif";
document.getElementById('nosto').style.font = "17px Verdana, Tahoma, Verdana,  Helvetica, sans-serif";
document.getElementsByTagName('h3').style.font = "22px Arial, Tahoma, Verdana,  Helvetica, sans-serif";

}

function set_small(){
document.getElementById('text').style.font = "12px  Arial, Tahoma, Verdana, Helvetica, sans-serif";
document.getElementById('nosto').style.font = "14px Verdana, Tahoma, Verdana,  Helvetica, sans-serif";
document.getElementsByTagName('h3').style.font = "16px Arial, Tahoma, Verdana,  Helvetica, sans-serif";
}

function SetCookie(my_size) {
 var today = new Date();
 var expire = new Date();
 expire.setTime(today.getTime() + 3600000*24*100);
 document.cookie = "tekstin_koko"+"="+escape(my_size)
                 + ";expires="+expire.toGMTString();
cookie_value = readCookie("tekstin_koko");
}

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

function start_size(){
cookie_value = readCookie("tekstin_koko");
if(cookie_value == "big"){
document.getElementById('text').style.font = "12px  Arial, Tahoma, Verdana, Helvetica, sans-serif";
document.getElementById('nosto').style.font = "14px Verdana, Tahoma, Verdana,  Helvetica, sans-serif";
document.getElementById('h3').style.font = "16px Arial, Tahoma, Verdana,  Helvetica, sans-serif";

 }
/*alert(cookie_value);*/
}