function writeCookie(name, value, hours)
	 
	{
	 
	  var expire = "";
	 
	  if(hours != null)
	 
	  {
	 
	    expire = new Date((new Date()).getTime() + hours * 3600000);
	 
	    expire = "; expires=" + expire.toGMTString();
	 
	  }
	 
	  document.cookie = name + "=" + encodeURIComponent(value) + expire;
	 
	}
	 
	function readCookie(name)
	 
	{
	 
	  var cookieValue = "";
	 
	  var search = name + "=";
	 
	  if(document.cookie.length > 0)
	 
	  { 
	 
	    offset = document.cookie.indexOf(search);
	 
	    if (offset != -1)
	 
	    { 
	 
	      offset += search.length;
	 
	      end = document.cookie.indexOf(";", offset);
	 
	      if (end == -1) end = document.cookie.length;
	      try{
	      cookieValue = decodeURIComponent(document.cookie.substring(offset, end))
		  }catch(e){
			   cookieValue = unescape(document.cookie.substring(offset, end))
			  }
	 
	    }
	 
	  }
	 
	  return cookieValue;
	 
	}