/* Configuration */
var download_php = "http://corporate-publications.eu/dp-dhl/2010/zb2/cms/php/download.php";


/* Static labels */
var intro_text = "DPWN";
var page_label = "";
var close_window = "Close window";
var site_added = "Page was successfully added!";
var site_already_in_cart = "This page already exists in your personal report!";
var alt_remove = "Remove page";
var alt_show = "Show page";
var alt_removeall = "Remove all pages";
var alt_download = "Download all pages as one PDF";
//var pdf_dir = "../../files/pdf";
var pdf_dir = "files/pdf";
var lang_dir = "en";
var confirm_action = "Remove this page from your personal report?";
var cookie_name = "dpdhl2010zb2";

function writeSessionCookie(cookieName, cookieValue) {
	if (testSessionCookie()) {
		document.cookie = escape(cookieName) + "=" + escape(cookieValue) + "; path=/";
		return true;
	} else {
		return false;
	}
}
function getCookieValue(cookieName) {
	var exp = new RegExp(escape(cookieName) + "=([^;]+)");
	if (exp.test(document.cookie + ";")) {
		exp.exec(document.cookie + ";");
		return unescape(RegExp.$1);
	} else {
		return false;
	}
}
function testSessionCookie() {
	document.cookie = "testSessionCookie=Enabled";
	if (getCookieValue("testSessionCookie") == "Enabled") {
		return true;
	} else {
		return false;
	}
}
function testPersistentCookie() {
	writePersistentCookie("testPersistentCookie", "Enabled", "minutes", 1);
	if (getCookieValue("testPersistentCookie") == "Enabled") {
		return true;
	} else {
		return false;
	}
}
function writePersistentCookie(CookieName, CookieValue, periodType, offset) {
	var expireDate = new Date();
	offset = offset / 1;
	var myPeriodType = periodType;
	switch (myPeriodType.toLowerCase()) {
	  case "years":
		expireDate.setYear(expireDate.getFullYear() + offset);
		break;
	  case "months":
		expireDate.setMonth(expireDate.getMonth() + offset);
		break;
	  case "days":
		expireDate.setDate(expireDate.getDate() + offset);
		break;
	  case "hours":
		expireDate.setHours(expireDate.getHours() + offset);
		break;
	  case "minutes":
		expireDate.setMinutes(expireDate.getMinutes() + offset);
		break;
	  default:
		alert("Invalid periodType parameter for writePersistentCookie()");
		break;
	}
	document.cookie = escape(CookieName) + "=" + escape(CookieValue) + "; expires=" + expireDate.toGMTString() + "; path=/";
}
function deleteCookie(cookieName) {
	if (getCookieValue(cookieName)) {
		writePersistentCookie(cookieName, "Pending delete", "years", -1);
	}
	return true;
}
/* Add site to cart */
function addSite(id, filename) {

	var dc = getCookieValue(cookie_name);
	if (!dc) {
		dc = "";
	}
	var sites = dc.split("|");
	var isnew = isNew(id, filename, lang_dir);
	if (isnew == true) {
		dc = dc + "|" + id + "$" + filename + "$" + lang_dir;
		writeSessionCookie(cookie_name, dc);
		alert(site_added);
	}else{
		alert(site_already_in_cart);
	}
}
function getSites() {
	var dc = getCookieValue(cookie_name);
	if (!dc) {
		dc = "";
	}
	var sites = dc.split("|");
	var cart_files = "";
	var header = "";
	//sites.sort();
	var output = "";
	output += "<form target='_blank' action='" + download_php + "' method='post'>";
	output += "<table summary='" + intro_text + "'>\n";
	for (var i = 0; i < sites.length; ++i) {
		if (sites[i] != "") {
			var page = sites[i].split("$");
			var page_title = page[0];
			var page_filename = page[1];
			var page_lang = page[2];
			//if(page_lang == lang_dir){
				cart_files += page_filename + ",";
				output += "<tr>\n";
				output += "<td>" + page_title + "</td>\n";
				output += "<td><a target='_blank' href='" + pdf_dir + "/" + page_lang + "/" + page_filename + ".pdf'>" + alt_show + "</a></td>\n";
				output += "<td><a class='removeSite' href='javascript:void(0);' onclick='removeSite(\""+page_title+"\",\""+page_filename+"\",\""+page_lang+"\"); location.reload(true);'>" + alt_remove + "</a></td>\n";
				output += "<td><input type='hidden' name='foo[]' value='" + page_lang + "/" + page_filename + ".pdf'></td>";
				output += "</tr>\n";
			//}
		}
	}
	output += "</table>\n";
	output += "<input name='language' type='hidden' value='" + lang_dir + "' /><input type='submit' value='" + alt_download + "'/>";
	output += "</form>\n";
	return output;
}
function removeAll() {
	deleteCookie(cookie_name);
}
function removeSite(title, filename, lang_dir) {
	if(confirmAction()){
		var dc = getCookieValue(cookie_name);
		if (dc) {
			var sites = dc.split("|");
			var newcookie = "";
			for (var i = 0; i < sites.length; ++i) {
				var page = sites[i].split("$");
				var page_title = page[0];
				var page_filename = page[1];
				var page_lang = page[2];
				if (page_title + page_filename + page_lang != title + filename + lang_dir) {
					if (page_filename) {
						newcookie = newcookie + "|" + page_title + "$" + page_filename + "$" + page_lang;
					}
				}
			}
			//alert(newcookie);
			writeSessionCookie(cookie_name, newcookie);
		}
		/*if (navigator.userAgent.toLowerCase().indexOf("msie") != -1 || navigator.userAgent.toLowerCase().indexOf("opera") != -1) {
			getSites();
		} else {
			window.close();
			getSites();
		}*/
	}
}
	
function isNew(id, filename, lang_dir) {
	var dc = getCookieValue(cookie_name);
	
	var isNew = true;
	if (!dc) {
		dc = "";
	}
	var sites = dc.split("|");
	sites.sort();
	for (var i = 0; i < sites.length; ++i) {
		if (sites[i] != "") {
			var page = sites[i].split("$");
			var page_title = page[0];
			var page_filename = page[1];
			var page_lang = page[2];
			if (page_filename == filename) {
				if(page_title == id){
					if(page_lang == lang_dir){
						isNew = false;
					}
				}
			}
		}
	}
	return isNew;
}

function confirmAction() {
       return confirm(confirm_action)
}