function getCookie(name) {
	var cookies = document.cookie;
	var start = cookies.indexOf(name + '=');
	if (start == -1) return null;
	var len = start + name.length + 1;
	var end = cookies.indexOf(';',len);
	if (end == -1) end = cookies.length;
	return unescape(cookies.substring(len,end));
}
function setCookie(name, value, expires, path, domain, secure) {
	value = escape(value);
	expires = (expires) ? ';expires=' + expires.toGMTString() : '';
	path = (path) ? ';path=' + path : '';
	domain  = (domain) ? ';domain=' + domain : '';
	secure  = (secure) ? ';secure' : '';
	document.cookie = name + '=' + value + expires + path + domain + secure;
}
function setpcookie() {
	var expire_minutes = 30; // 30 minutes
	var date = new Date();
	var date2 = new Date(Date.UTC(date.getUTCFullYear(),date.getUTCMonth(),date.getUTCDate(),date.getUTCHours(),date.getUTCMinutes(),date.getUTCSeconds()) + expire_minutes*60*1000);
	setCookie("pcookie", 'visited', date2);
}
function checkpcookie() {
	cv = getCookie("pcookie");
	if (cv == 'visited') {
		document.getElementById('pcookie').style.visibility = 'visible';		
	} else {
		window.location = 'Cookie_Test_error_page.html';
	}
}