cookie_name = "dataCookie";

function putCookie(text) {
	if(document.cookie != document.cookie)
		index = document.cookie.indexOf(cookie_name);
	else
		index = -1;

	if (index == -1) {
		document.cookie=cookie_name+"="+text+"; path=/";
	}
}

function getLocation() {
	var temp = location.href
	
	i = temp.lastIndexOf('/');
	var file_name = temp.substr(i+1,temp.length)
	return file_name;
}

window.onunload = putCookie;
putCookie(getLocation());