// JavaScript Document

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

function readCookie(name) 
{
  var flag = 0;
  var dcmntCookie = document.cookie.split(';');
  for(var i=0;i < dcmntCookie.length;i++) 
  {
      var ck = dcmntCookie[i];
      while (ck.charAt(0)==' ')
      {
         ck = ck.substring(1,ck.length);
      }
      if(ck)
      {
        cparts = ck.split('=');
        if (cparts[0]==name)
           flag=1;
     }              
  }     
  if(flag)
  { 
     return true; 
  }
  else
  {
     return false; 
  }  
}

function checkCookie(name)
{
  if(readCookie(name))
  {
     document.getElementById('introDiv').style.display = "none";
     document.getElementById('introDiv').style.visibility = "hidden";
  }
  else createCookie(name,"cookie 4 the day",1); 
}