// Define channel name in chinese
// Convert to Unicode from http://www.hot-tips.co.uk/useful/unicode_converter.HTML
var zh_channel1 = "\u6559\u57ce\u7e3d\u90e8";
var zh_channel2 = "\u6559\u57ce\u8cfc\u7269\u5340";
var zh_channel3 = "\u8cc7\u6e90\u4e2d\u5fc3";
var zh_channel4 = "\u5b78\u751f\u4e2d\u5fc3";
var zh_channel5 = "\u6559\u5e2b\u5c08\u696d\u7db2";
var zh_channel6 = "\u5bb6\u9577\u4e2d\u5fc3";
var zh_channel9 = "\u5716\u66f8\u9928";
var zh_channel10 = "\u5b78\u79d1\u5927\u6a13";
var zh_channel11 = "\u5b78\u6821\u6982\u89bd";
var zh_channel12 = "\u5927\u540c\u5b78\u7fd2\u6751";
var zh_channel13 = "\u5c0f\u6821\u5712";
var zh_channel14 = "\u0045\u006e\u0067\u006c\u0069\u0073\u0068\u0020\u0043\u0061\u006d\u0070\u0075\u0073";
var zh_channel15 = "\u5c79\u7acb\u4e0d\u8ced\u884c\u52d5";
var zh_channel16 = "\u9999\u6e2f\u95b1\u8b80\u57ce";
var zh_channel17 = "\u7d14\u6587\u5b57\u7d22\u5f15";

//var channel_zh = new Array(zh_channel1, zh_channel2, zh_channel3, zh_channel4, zh_channel5, zh_channel6, zh_channel7, zh_channel8, zh_channel9, zh_channel10, zh_channel11, zh_channel12, zh_channel13, zh_channel14, zh_channel15, zh_channel16, zh_channel17);
var channel_zh = new Array(zh_channel1, zh_channel2, zh_channel3, zh_channel4, zh_channel5, zh_channel6, zh_channel9, zh_channel10, zh_channel11, zh_channel12, zh_channel13, zh_channel14, zh_channel15, zh_channel16, zh_channel17);

var en_channel1 = "Headquarters";
var en_channel2 = "Ed-Mall";
var en_channel3 = "Resources Library";
var en_channel4 = "Students' Channel";
var en_channel5 = "Teachers Net";
var en_channel6 = "Parents' Corner";
//var en_channel7 = "Media Campus";
//var en_channel8 = "Cultural Centre";
var en_channel9 = "Library";
var en_channel10 = "Learning Centre";
var en_channel11 = "School Directory";
var en_channel12 = "Inclusive Village";
var en_channel13 = "Small Campus";
var en_channel14 = "English Campus";
var en_channel15 = "Say NO to GAMBLING";
var en_channel16 = "HKReading City";
var en_channel17 = "Text-only Index";

//var channel_en = new Array(en_channel1, en_channel2, en_channel3, en_channel4, en_channel5, en_channel6, en_channel7, en_channel8, en_channel9, en_channel10, en_channel11, en_channel12, en_channel13, en_channel14, en_channel15, en_channel16, en_channel17);
var channel_en = new Array(en_channel1, en_channel2, en_channel3, en_channel4, en_channel5, en_channel6, en_channel9, en_channel10, en_channel11, en_channel12, en_channel13, en_channel14, en_channel15, en_channel16, en_channel17);

var zn_channel1 = "\u6559\u57ce\u603b\u90e8";
var zn_channel2 = "\u6559\u57ce\u8d2d\u7269\u533a";
var zn_channel3 = "\u8d44\u6e90\u4e2d\u5fc3";
var zn_channel4 = "\u5b66\u751f\u4e2d\u5fc3";
var zn_channel5 = "\u6559\u5e2b\u5c08\u696d\u7db2";
var zn_channel6 = "\u5bb6\u957f\u4e2d\u5fc3";
//var zn_channel7 = "\u4f20\u5a92\u5b66\u56ed";
//var zn_channel8 = "\u6587\u5316\u90e8\u5c4b";
var zn_channel9 = "\u56fe\u4e66\u9986";
var zn_channel10 = "\u5b66\u79d1\u5927\u697c";
var zn_channel11 = "\u5b66\u6821\u6982\u89c8";
var zn_channel12 = "\u5927\u540c\u5b66\u4e60\u6751";
var zn_channel13 = "\u5c0f\u6821\u56ed";
var zn_channel14 = "English Campus";
var zn_channel15 = "\u5c79\u7acb\u4e0d\u8d4c\u884c\u52a8";
var zn_channel16 = "\u9999\u6e2f\u9605\u8bfb\u57ce";
var zn_channel17 = "\u7eaf\u6587\u5b57\u7d22\u5f15";

//var channel_zn = new Array(zn_channel1, zn_channel2, zn_channel3, zn_channel4, zn_channel5, zn_channel6, zn_channel7, zn_channel8, zn_channel9, zn_channel10, zn_channel11, zn_channel12, zn_channel13, zn_channel14, zn_channel15, zn_channel16, zn_channel17);
var channel_zn = new Array(zn_channel1, zn_channel2, zn_channel3, zn_channel4, zn_channel5, zn_channel6, zn_channel9, zn_channel10, zn_channel11, zn_channel12, zn_channel13, zn_channel14, zn_channel15, zn_channel16, zn_channel17);

// Define Link for each channel
var channel_lnk1 = "http://www.hkedcity.net/article/main_info/info/index.phtml?chg_lang=%langNum%";
var channel_lnk2 = "http://newedmall.hkedcity.net/EdMallWeb/zh-HK/Home/Index.aspx";
var channel_lnk3 = "http://www.hkedcity.net/resources/";
var channel_lnk4 = "http://www.hkedcity.net/student/index.phtml";
var channel_lnk5 = "http://www.hkedcity.net/teachernet/";
var channel_lnk6 = "http://www.hkedcity.net/parent/index.phtml";
//var channel_lnk7 = "http://www.hkedcity.net/mediaed/";
//var channel_lnk8 = "http://www.hkedcity.net/culture/";
var channel_lnk9 = "http://www.hkedcity.net/library/";
var channel_lnk10 = "http://www.hkedcity.net/learning/";
var channel_lnk11 = "http://www.hkedcity.net/school/";
var channel_lnk12 = "http://www.hkedcity.net/specialed/";
var channel_lnk13 = "http://www.hkedcity.net/smallcampus/";
var channel_lnk14 = "http://www.hkedcity.net/english";
var channel_lnk15 = "http://www.saynotogambling.net/";
var channel_lnk16 = "http://www.hkreadingcity.net/";
var channel_lnk17 = "http://www.hkedcity.net/textonly/";

//var hyperLink = new Array(channel_lnk1, channel_lnk2, channel_lnk3, channel_lnk4, channel_lnk5, channel_lnk6, channel_lnk7, channel_lnk8, channel_lnk9, channel_lnk10, channel_lnk11, channel_lnk12, channel_lnk13, channel_lnk14, channel_lnk15, channel_lnk16, channel_lnk17);
var hyperLink = new Array(channel_lnk1, channel_lnk2, channel_lnk3, channel_lnk4, channel_lnk5, channel_lnk6, channel_lnk9, channel_lnk10, channel_lnk11, channel_lnk12, channel_lnk13, channel_lnk14, channel_lnk15, channel_lnk16, channel_lnk17);

// Define style for each channel
var channel_css1 = "main_build";
var channel_css2 = "icommerce";
var channel_css3 = "resources";
var channel_css4 = "student";
var channel_css5 = "teacher";
var channel_css6 = "parent";
//var channel_css7 = "mediaed";
//var channel_css8 = "museum";
var channel_css9 = "library";
var channel_css10 = "learning";
var channel_css11 = "school";
var channel_css12 = "specialed";
var channel_css13 = "smallcampus";
var channel_css14 = "english";
var channel_css15 = "nogamble";
var channel_css16 = "specialed";
var channel_css17 = "student";

//var channel_css = new Array(channel_css1, channel_css2, channel_css3, channel_css4, channel_css5, channel_css6, channel_css7, channel_css8, channel_css9, channel_css10, channel_css11, channel_css12, channel_css13, channel_css14, channel_css15, channel_css16, channel_css17);
var channel_css = new Array(channel_css1, channel_css2, channel_css3, channel_css4, channel_css5, channel_css6, channel_css9, channel_css10, channel_css11, channel_css12, channel_css13, channel_css14, channel_css15, channel_css16, channel_css17);

// Define chinese general footer
var zh_general1 = "\u79c1\u96b1\u653f\u7b56\u8072\u660e";
var zh_general2 = "\u7248\u6b0a\u53ca\u77e5\u8b58\u7522\u6b0a";
var zh_general3 = "\u514d\u8cac\u8072\u660e";
var zh_general4 = "\u4f7f\u7528\u689d\u6b3e\u53ca\u689d\u4ef6";
var zh_general5 = "\u806f\u7d61\u6211\u5011";
var zh_general6 = "\u5e38\u898b\u554f\u984c";

var zh_general_list = new Array(zh_general1, zh_general2, zh_general3, zh_general4, zh_general5, zh_general6);

// Definer chinese general footer link
var zh_general_lnk1 = "http://www.hkedcity.net/notices/tc_chinese.php#s1";
var zh_general_lnk2 = "http://www.hkedcity.net/notices/tc_chinese.php#s2";
var zh_general_lnk3 = "http://www.hkedcity.net/notices/tc_chinese.php#s3";
var zh_general_lnk4 = "http://www.hkedcity.net/notices/tc_chinese.php#s4";
var zh_general_lnk5 = "http://www.hkedcity.net/article/main_info/contactus/";
var zh_general_lnk6 = "http://www.hkedcity.net/article/main_info/faq/";

var zh_general_lnk_list = new Array(zh_general_lnk1, zh_general_lnk2, zh_general_lnk3, zh_general_lnk4, zh_general_lnk5, zh_general_lnk6);

// Define english general footer
var en_general1 = "Privacy Statement";
var en_general2 = "Copyright and Intellectual Property Rights";
var en_general3 = "Disclaimer";
var en_general4 = "Terms and Conditions of Use";
var en_general5 = "Contact Us";
var en_general6 = "FAQs";

var	en_general_list = new Array(en_general1, en_general2, en_general3, en_general4, en_general5, en_general6);

// Define english general footer link
var en_general_lnk1 = "http://www.hkedcity.net/notices/tc_english.php#s1";
var en_general_lnk2 = "http://www.hkedcity.net/notices/tc_english.php#s2";
var en_general_lnk3 = "http://www.hkedcity.net/notices/tc_english.php#s3";
var en_general_lnk4 = "http://www.hkedcity.net/notices/tc_english.php#s4";
var en_general_lnk5 = "http://www.hkedcity.net/article/main_info/contactus/";
var en_general_lnk6 = "http://www.hkedcity.net/article/main_info/faq/";

var en_general_lnk_list = new Array(en_general_lnk1, en_general_lnk2, en_general_lnk3, en_general_lnk4, en_general_lnk5, en_general_lnk6);

// Define simplified chinese footer
var zn_general1 = "\u79c1\u9690\u653f\u7b56\u58f0\u660e";
var zn_general2 = "\u7248\u6743\u53ca\u77e5\u8bc6\u4ea7\u6743";
var zn_general3 = "\u514d\u8d23\u58f0\u660e";
var zn_general4 = "\u4f7f\u7528\u6761\u6b3e\u53ca\u6761\u4ef6";
var zn_general5 = "\u8054\u7cfb\u6211\u4eec";
var zn_general6 = "\u5e38\u89c1\u95ee\u9898";

var zn_general_list = new Array(zn_general1, zn_general2, zn_general3, zn_general4, zn_general5, zn_general6);

// Define simplified general footer link
var zn_general_lnk1 = "http://www.hkedcity.net/notices/tc_chinese.php#s1";
var zn_general_lnk2 = "http://www.hkedcity.net/notices/tc_chinese.php#s2";
var zn_general_lnk3 = "http://www.hkedcity.net/notices/tc_chinese.php#s3";
var zn_general_lnk4 = "http://www.hkedcity.net/notices/tc_chinese.php#s4";
var zn_general_lnk5 = "http://www.hkedcity.net/article/main_info/contactus/";
var zn_general_lnk6 = "http://www.hkedcity.net/article/main_info/faq/";

var zn_general_lnk_list = new Array(zn_general_lnk1, zn_general_lnk2, zn_general_lnk3, zn_general_lnk4, zn_general_lnk5, zn_general_lnk6);

var zh_HK = "zh-HK";
var en_US = "en-US";
var zn_CN = "zn-CN";
var copyright_css = "copyright_text";
var RESOURCE_PATH = "http://apps.hkedcity.net/js/disclaimer"


function generateFooter(lang, domain, app_css, table_width, disclaimer_space, show_channel){
	//alert(lang);
	var css_lang_prefix = setCssLangPrefix(lang);

	// Define the css
	defineCSS(app_css, css_lang_prefix);

	// Draw the horizontal line if disclaimer_space is not null and greater than 0
	if(disclaimer_space != null && disclaimer_space > 0){
		document.write("<hr noShade size=1 width='" + disclaimer_space + "' align='center'>");
	}

	createFooter(table_width, lang, domain, show_channel);
}


// Apply application css to the caller page. The css file to be applied is based on the application id and lang
function defineCSS(app_css, lang){

	if(app_css != null && app_css.length > 0){
		document.write("<link rel='stylesheet' href='" + RESOURCE_PATH + "/css/" + app_css + "/" + lang + "/channel.css' type='text/css'>");
		document.write("<link rel='stylesheet' href='" + RESOURCE_PATH + "/css/" + app_css + "/" + lang + "/disclaimer.css' type='text/css'>");
	}
	else{
		document.write("<link rel='stylesheet' href='" + RESOURCE_PATH + "/css/default/" + lang + "/channel.css' type='text/css'>");
		document.write("<link rel='stylesheet' href='" + RESOURCE_PATH + "/css/default/" + lang + "/disclaimer.css' type='text/css'>");
	}
}

function setCssLangPrefix(lang){

	if(lang == zh_HK){
		return zh_HK;
	}
	else{
		if(lang == en_US){
			return en_US;
		}
		else{
			if(lang == zn_CN){
				return zn_CN;
			}
			else{
				return zh_HK;
			}
		}
	}
}

// Create Footer
function createFooter(table_width, lang, domain, show_channel){

	// Use table to bound the footer or not
	if(table_width != null && table_width > 0){
		document.write("<table width=" + table_width + " align='center'>");
	}

	// Display channel list in footer
	if(show_channel){
		if(table_width != null && table_width > 0){
			document.write("<tr><td width='100%' align='center'>");
		}

		createChannelList(lang, domain);

		if(table_width != null && table_width > 0){
			document.write("</td></tr>");
		}
	}
	if(table_width != null && table_width > 0){
		document.write("<tr><td width='100%' algin='center'>");
	}

	document.write("<div align='center' class='" + copyright_css +"'>");

	// Create copyright text
	createCopyright(lang);
	// Create general footer
	createGeneralFooter(lang, domain, copyright_css);

	document.write("</div>");

	if(table_width != null && table_width > 0){
		document.write("</td></tr>");
	}

	if(table_width){
		document.write("</table>");
	}
}

// Create channel list footer
function createChannelList(lang, domain){

	if(lang == en_US){
		// Create english channel list
		for(var i = 0; i < channel_en.length; ++i){
			// Create channel anchor
			document.write(createChannelAnchor(channel_en[i].toString(), hyperLink[i], domain, channel_css[i], lang));
			if(Math.ceil((channel_en.length / 2) - 1) == i){
				document.write("<br>");
			}
			else{
				if(i < channel_en.length - 1){
					document.write("&nbsp;|&nbsp;");
				}
			}
		}
	}
	else if(lang == zn_CN){
		// Create english channel list
		for(var i = 0; i < channel_zn.length; ++i){
			// Create channel anchor
			document.write(createChannelAnchor(channel_zn[i].toString(), hyperLink[i], domain, channel_css[i], lang));
			if(Math.ceil((channel_zn.length / 2) - 1) == i){
				document.write("<br>");
			}
			else{
				if(i < channel_zn.length - 1){
					document.write("|");
				}
			}
		}
	}
	else{
		// Create chinese channel list
		for(var i = 0; i < channel_zh.length; ++i){
			// Create channel anchor
			document.write(createChannelAnchor(channel_zh[i].toString(), hyperLink[i], domain, channel_css[i], lang));
			if(Math.ceil((channel_zh.length / 2) - 1) == i){
				document.write("<br>");
			}
			else{
				if(i < channel_zh.length - 1){
					document.write("&nbsp;|&nbsp;");
				}
			}
		}
	}
	document.write("<br><br>");
}

function createGeneralFooter(lang, domain, css){

	if(lang == en_US){
		for(var i = 0; i < en_general_list.length; ++i){
			if(en_general_list[i].length > 0){
				document.write(createGeneralAnchor(en_general_list[i], en_general_lnk_list[i], domain, css));
				if(i < en_general_list.length - 1){
					document.write("&nbsp;|&nbsp;");
				}
			}
		}
	}
	else if(lang == zn_CN){
		for(var i = 0; i < zn_general_list.length; ++i){
			if(zn_general_list[i].length > 0){
				document.write(createGeneralAnchor(zn_general_list[i], zn_general_lnk_list[i], domain, css));
				if(i < zn_general_list.length - 1){
					document.write("&nbsp;|&nbsp;");
				}
			}
		}
	}
	else{
		for(var i = 0; i < zh_general_list.length; ++i){
			if(zh_general_list[i].length > 0){
				document.write(createGeneralAnchor(zh_general_list[i], zh_general_lnk_list[i], domain, css));
				if(i < zh_general_list.length - 1){
					document.write("&nbsp;|&nbsp;");
				}
			}
		}
	}
}

// Generate anchor
function createChannelAnchor(text, link, domain, css, lang){

	link = link.replace("%langCode%", lang);

	if(lang == en_US){
		link = link.replace("%langNum%", "1");
	}
	else{
		link = link.replace("%langNum%", "0");
	}

	var temp = "<span class='" + css + "'><a href=" + link;

	// Check if the target link is under same domain or not
	if(domain == null || link.indexOf(domain) == -1)
		temp = temp + " target='_blank'>";
	else
		temp = temp + " target='_self'>";

	return temp + text + "</a></span>";
}

function createGeneralAnchor(text, link, domain, css){

	var temp = "<a href=\"" + link + "\"";
	var javascriptText = "javascript:";

	// Check if the target link is under same domain or not
	if(domain != null || link.indexOf(javascriptText) == -1)
		temp = temp + " target='_blank'>";
	else
		temp = temp + ">";

	temp = temp + text + "</a></span>";
	return temp;
}

function createCopyright(lang){

	var currentDate = new Date();

	document.write("&copy; " + currentDate.getFullYear() + " Hong Kong Education City Limited<br>");
}