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 popupWindow()
{
    var pop = GetCookie('solution');
 	if(pop != 'done')
  		window.open("/popup/popup.html", "popup", "width=402,height=445,toolbar=no,location=no,status=no,menubar=no,scrollbars=no, resizable=no,left150,top=150");
}