// JavaScript Document
var DAYS="40"	

function createCookie(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 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 setBg(ktery)
{  
  if (ktery.charAt(4)=='0'){
      document.body.style.backgroundColor='rgb(0,153,0)'          
  }else {
      if (ktery.charAt(4)=='2') {
          document.body.style.backgroundColor='rgb(255,0,153)'          
      }else {
          document.body.style.backgroundColor='rgb(48,96,255)'           
      }
  } 
}


function getBg()
{      
  var p;
  p=document.body.style.backgroundColor;
  return p;  
}


window.onload=window.onclose=function()
{
  var p;
  if (p=readCookie("hrebcinBG"))
  {    
    setBg(p);       
  }
}


window.onunload=function()
{
  createCookie("hrebcinBG",getBg(),DAYS);
}