// JavaScript Document
// Read Cookie
function getCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

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

// Erase Cookie
function deleteCookie(name) {
	setCookie(name,"",-1);
}

// Call closePopUp if this is in a pop-up so that you will close the pop-up and reload the opener
// so that it will read the newly set cookie value
function closePopUp() {
	window.opener.focus();
	window.opener.location.reload();
	window.self.close();
}