/* constants for the keystage icons to display */
var g_arrKeyStages 	= [ "/resources/images/keystage-5_7.gif", "../images/keystage_7-11.gif", "../images/keystage_11-14.gif", "../images/keystage_14-16.gif", "/resources/images/keystage_16.gif" ];
var g_arrKeyStagesAlt = [ "Keystage 5-7", "Keystage 7-11", "Keystage 11-14", "Keystage 14-16", "Keystage 16+" ];
var g_arrKeyStagesLink = [ "http://www.abpischools.org.uk/resource/resource.asp?id=5", "../../resource/resource3a9f.html?id=6", "../../resource/resource8803.html?id=7", "../../resource/resourcec3c9.html?id=8", "http://www.abpischools.org.uk/resource/resource.asp?id=10"];

function getNav(currentPage)
{
	var ret
	var imageName
	var imageOnName
	var imageWidth
	var imageList

	imageList = "'../en-images/nav_arrow_l_on.gif', '../en-images/nav_arrow_r_on.gif', '../en-images/nav_arrow_sitemap_on.gif', '../en-images/nav_arrow_quiz_on.gif'";
	for (i = 1; i < 9; i++)
	{
		imageList += ", '../en-images/nav_page_" + i + "_on.gif', ";
		imageList += "'../en-images/nav_page_" + i + "end_on.gif'";
	}
	ABPI_preloadImages(imageList);
	
	ret = "<a name=\"pageTop\"></a>";
	ret += "<div id=\"title_blue\">";
	ret += "<h1>" + sectionTitle + "</h1>";
	ret += "<div style=\"float:left;margin-left:40px;\">";
	
	// output the required keystage icons
	for( i=0 ; i<g_arrKeyStages.length ; i++ ) {
		if( arrModuleKeyStages[i] ) {
			ret += "<a href=\""+g_arrKeyStagesLink[i]+"\"><img src=\"" + g_arrKeyStages[i] + "\" alt=\"" + g_arrKeyStagesAlt[i] + "\" border=\"0\"/></a>";
		}
	}
	ret += "</div>";
	ret += "<div id=\"nav_pagenav\">";
	ret += "<ul class=\"nolist\">";

	if (currentPage == 1)
	{
		ret += "<li><img src=\"../en-images/nav_arrow_l_grey.gif\" alt=\"back\" title=\"Previous page\" name=\"ImageName_1\" width=\"28\" height=\"27\" border=\"0\" id=\"ImageName_1\"/></li>";
	}
	else
	{
		ret += "<li><a href=\"" + urlArray(currentPage - 1) + "\" target=\"_self\" onmouseover=\"ABPI_swapImage('ImageName_1','','../en-images/nav_arrow_l_on.gif',1)\" onmouseout=\"ABPI_swapImgRestore()\"><img src=\"../en-images/nav_arrow_l.gif\" alt=\"back\" title=\"Previous page\" name=\"ImageName_1\" width=\"28\" height=\"27\" border=\"0\" id=\"ImageName_1\" /></a></li>";
	}
	
	if (currentPage == numberOfPages)
	{
		ret += "<li><img src=\"../en-images/nav_arrow_r_grey.gif\" alt=\"forwards\" title=\"Next page\" name=\"ImageName_2\" width=\"28\" height=\"27\" border=\"0\" id=\"ImageName_2\" /></li>";
	}
	else
	{
		ret += "<li><a href=\"" + urlArray(currentPage + 1) + "\" target=\"_self\" onmouseover=\"ABPI_swapImage('ImageName_2','','../en-images/nav_arrow_r_on.gif',1)\" onmouseout=\"ABPI_swapImgRestore()\"><img src=\"../en-images/nav_arrow_r.gif\" alt=\"forwards\" title=\"Next page\" name=\"ImageName_2\" width=\"28\" height=\"27\" border=\"0\" id=\"ImageName_2\" /></a></li>";
	}
	
	ret += "<li><a href=\"#\" target=\"_self\" onmouseover=\"ABPI_swapImage('ImageName_3','','../en-images/nav_arrow_sitemap_on.gif',1)\" onmouseout=\"ABPI_swapImgRestore()\" onClick=\"CSAction(new Array(/*CMP*/'B47EA9881'));return CSClickReturn();\"><img src=\"../en-images/nav_arrow_sitemap.gif\" alt=\"Sitemap\" title=\"Display a structural map of this section\" name=\"ImageName_3\" width=\"28\" height=\"27\" border=\"0\" id=\"ImageName_3\" /></a></li>";
	ret += "<li><a href=\"" + urlArray(numberOfPages) + "\" target=\"_self\" onmouseover=\"ABPI_swapImage('ImageName_4','','../en-images/nav_arrow_quiz_on.gif',1)\" onmouseout=\"ABPI_swapImgRestore()\"><img src=\"../en-images/nav_arrow_quiz.gif\" alt=\"Quiz\" title=\"Test your knowledge\" name=\"ImageName_4\" width=\"28\" height=\"27\" border=\"0\" id=\"ImageName_4\" /></a></li>";
	ret += "</ul>";
	ret += "</div>";
	ret += "</div>";

	ret += "<div id=\"title_green\">";
	ret += "<div id=\"pagenumber\">";
	ret += "<h4>Page " + currentPage + " of " + numberOfPages + "</h4>";
	ret += "</div>";

	ret += "<div id=\"pagejumplist\">";
	ret += "<ul class=\"nolist\">";

	imageWidth = 28;

	for (var i = 1; i <= numberOfPages; i++)
	{
		imageName = "../en-images/nav_page_" + i;
		if (i == numberOfPages)
		{
			imageWidth = 23;
			imageName += "end";
		}
		imageOnName = imageName;
		if (i == currentPage)
		{
			imageName += "_on";
		}
		imageName += ".gif";
		imageOnName += "_on.html";
		ret += "<li style=\"padding-left:3px;\"><a href=\"" + urlArray(i) + "\"target=\"_self\" onmouseover=\"ABPI_swapImage('ImageName" + i + "','','" + imageOnName + "',1)\" onmouseout=\"ABPI_swapImgRestore()\">";
		ret += "<img src=\"" + imageName + "\" alt=\"" + i + "\" title=\"" + titleArray(i) + "\" name=\"ImageName" + i + "\" width=\"" + imageWidth + "\" height=\"30\" border=\"0\" id=\"ImageName" + i + "\" /></a></li>";
	}

	ret += "</ul>";
	ret += "</div>";
	ret += "<div id=\"pagejump\">";
	ret += "<h4>Jump to page</h4>";
	ret += "</div>";
	ret += "</div>";

	return ret;
}

function getFooterNav(currentPage)
{
	var ret
	var imageName
	var imageOnName
	var imageWidth
	var imageList

	imageList = "'../en-images/nav_arrow_l_on_small.gif', '../en-images/nav_arrow_r_on_small.gif', '../en-images/nav_arrow_t_on_small.html', '../en-images/nav_arrow_quiz_on_small.gif'";

	ABPI_preloadImages(imageList);
	
	ret = "<div style=\"clear:left;float:right;text-align:center;background-image:url(../en-images/nav_bottom_backer.jpg);background-repeat:no-repeat;height:40px;width:164px;\">";
	ret += "<img src=\"../en-images/spacer.gif\" height=\"10px\" alt=\"spacer\"/><br/>";
	ret += "<ul class=\"nolist\">";

	if (currentPage == 1)
	{
		ret += "<li style=\"padding-left:35px;\"><img src=\"../en-images/nav_arrow_l_grey_small.gif\" alt=\"back\" title=\"Previous page\" name=\"ImageName_f1\" width=\"21\" height=\"20\" border=\"0\" id=\"ImageName_f1\"/></li>";
	}
	else
	{
		ret += "<li style=\"padding-left:35px;\"><a href=\"" + urlArray(currentPage - 1) + "\" target=\"_self\" onmouseover=\"ABPI_swapImage('ImageName_f1','','../en-images/nav_arrow_l_on_small.gif',1)\" onmouseout=\"ABPI_swapImgRestore()\"><img src=\"../en-images/nav_arrow_l_small.gif\" alt=\"back\" title=\"Previous page\" name=\"ImageName_f1\" width=\"21\" height=\"20\" border=\"0\" id=\"ImageName_f1\" /></a></li>";
	}
	
	if (currentPage == numberOfPages)
	{
		ret += "<li style=\"padding-left:5px;\"><img src=\"../en-images/nav_arrow_r_grey_small.gif\" alt=\"forwards\" title=\"Next page\" name=\"ImageName_f2\" width=\"21\" height=\"20\" border=\"0\" id=\"ImageName_f2\" /></li>";
	}
	else
	{
		ret += "<li style=\"padding-left:5px;\"><a href=\"" + urlArray(currentPage + 1) + "\" target=\"_self\" onmouseover=\"ABPI_swapImage('ImageName_f2','','../en-images/nav_arrow_r_on_small.gif',1)\" onmouseout=\"ABPI_swapImgRestore()\"><img src=\"../en-images/nav_arrow_r_small.gif\" alt=\"forwards\" title=\"Next page\" name=\"ImageName_f2\" width=\"21\" height=\"20\" border=\"0\" id=\"ImageName_f2\" /></a></li>";
	}
	
	ret += "<li style=\"padding-left:5px;\"><a href=\"#pageTop\" target=\"_self\" onmouseover=\"ABPI_swapImage('ImageName_f3','','../en-images/nav_arrow_top_on.gif',1)\" onmouseout=\"ABPI_swapImgRestore()\"><img src=\"../en-images/nav_arrow_top.gif\" alt=\"Sitemap\" title=\"Top of page\" name=\"ImageName_f3\" width=\"21\" height=\"20\" border=\"0\" id=\"ImageName_f3\" /></a></li>";
	ret += "<li style=\"padding-left:5px;\"><a href=\"" + urlArray(numberOfPages) + "\" target=\"_self\" onmouseover=\"ABPI_swapImage('ImageName_f4','','../en-images/nav_arrow_quiz_on_small.gif',1)\" onmouseout=\"ABPI_swapImgRestore()\"><img src=\"../en-images/nav_arrow_quiz_small.gif\" alt=\"Quiz\" title=\"Test your knowledge\" name=\"ImageName_f4\" width=\"21\" height=\"20\" border=\"0\" id=\"ImageName_f4\" /></a></li>";
	ret += "</ul>";
	ret += "</div>";

	return ret;
}