var expDays = 30;

var expire = new Date();

expire.setTime(expire.getTime() + (expDays*24*60*60*1000));

var oldExp = new Date();

oldExp.setTime(expire.getTime() - (expDays*24*60*60*1000));



function SetCookie (name, value) {

	var argv = SetCookie.arguments;

	var argc = SetCookie.arguments.length;

	var expires = expire;

	document.cookie = name + "=" + escape (value) + "; expires=" + expires.toGMTString() + ";";

	return;

}



function getCookieVal (offset) {

	var endstr = document.cookie.indexOf (";", offset);

	if (endstr == -1)

		endstr = document.cookie.length;

	return unescape(document.cookie.substring(offset, endstr));

}



function GetCookie (name) {

	var arg = name + "=";

	var alen = arg.length;

	var clen = document.cookie.length;

	var i = 0;

	while (i < clen) {

		var j = i + alen;

		if (document.cookie.substring(i, j) == arg)

			return getCookieVal (j);

		i = document.cookie.indexOf(" ", i) + 1;

		if (i == 0) break;

	}

	return null;

}



function togglediv(whichLayer)

{

  var elem, vis;

  if( document.getElementById ) // this is the way the standards work

    elem = document.getElementById( whichLayer );

  else if( document.all ) // this is the way old msie versions work

      elem = document.all[whichLayer];

  else if( document.layers ) // this is the way nn4 works

    elem = document.layers[whichLayer];

  vis = elem.style;

  // if the style.display value is blank we try to figure it out here

  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)

    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';

  vis.display = (vis.display==''||vis.display=='block')?'none':'block';

}



function sutiOlvasas() {

	var flag = GetCookie("xmas");

	if (flag != 1) {

		togglediv("xmasdiv");

	}

}