function setTitle()
{
	document.write("<title>" + PageTitle + "</title>");
}

var ImageNum = 1;
var ImageFile = "";

function begin()
{
	if (ImageNum > ImageMin)
	{
		ImageNum = ImageMin;
		window.location = "picpage.htm?img=" + ImageNum.toString();
	}
}

function prev()
{
	if (ImageNum > ImageMin)
	{
		ImageNum--;
		window.location = "picpage.htm?img=" + ImageNum.toString();
	}
}

function next()
{
	if (ImageNum < ImageMax)
	{
		ImageNum++;
		window.location = "picpage.htm?img=" + ImageNum.toString();
	}
}

function end()
{
	if (ImageNum < ImageMax)
	{
		ImageNum = ImageMax;
		window.location = "picpage.htm?img=" + ImageNum.toString();
	}
}

function gallery()
{
	window.location = GalleryPage;
}

var BeginButton = NavigationDir + "begin.gif";
var PrevButton = NavigationDir + "prev.gif";

var GalleryButton = NavigationDir + "gallery.gif";

var NextButton = NavigationDir + "next.gif";
var EndButton = NavigationDir + "end.gif";

function setup()
{
	sURL = window.document.URL.toString();

	if (sURL.indexOf("?") > 0)
	{
		var arrParams = sURL.split("?");
			
		var arrURLParams = arrParams[1].split("&");

		var arrParamList = new Array(arrURLParams.length);

		var i = 0;
		for (i=0;i<arrURLParams.length;i++)
		{
			var sParam =  arrURLParams[i].split("=");
			if (sParam[1] != "")
			{
				arrParamList[sParam[0]] = unescape(sParam[1]);
			}
			else
			{
				arrParamList[sParam[0]] = "";
			}
		}
		
		if (arrParamList["img"] != "")
		{
			ImageNum = arrParamList["img"];
		}
	}

	var inumstr = ImageNum.toString();
	while (inumstr.length < 3)
	{
		inumstr = "0" + inumstr;
	}
	ImageFile = ImagePrefix + inumstr + ImageSuffix;


	if (ImageNum <= ImageMin)
	{
		BeginButton = NavigationDir + "nobegin.gif";
		PrevButton = NavigationDir + "noprev.gif";
	}

	if (ImageNum >= ImageMax)
	{
		NextButton = NavigationDir + "nonext.gif";
		EndButton = NavigationDir + "noend.gif";
	}
}

function displayNavBar()
{
	document.write('<img name="BeginButton" src="' + BeginButton + '" onclick="begin();" width="' + NavWidth + '" height=' + NavHeight + '">');
	document.write('&nbsp;');
	document.write('<img name="PrevButton" src="' + PrevButton + '" onclick="prev();" width="' + NavWidth + '" height=' + NavHeight + '">');
	document.write('&nbsp; &nbsp;');
	document.write('<img name="GalleryButton" src="' + GalleryButton + '" onclick="gallery();" width="' + NavWidth + '" height=' + NavHeight + '">');
	document.write('&nbsp; &nbsp;');
	document.write('<img name="NextButton" src="' + NextButton + '" onclick="next();" width="' + NavWidth + '" height=' + NavHeight + '">');
	document.write('&nbsp;');
	document.write('<img name="EndButton" src="' + EndButton + '" onclick="end();" width="' + NavWidth + '" height=' + NavHeight + '">');
	document.write('<br/>');
}

function displayImage()
{
		if (Titles[ImageNum] != undefined)
{
	document.write('<H2>' + Titles[ImageNum] + '</H2>');
		}
		document.write('<img name="MainImage" src="' + ImageFile + '"/>');
		if (Descriptions[ImageNum] != undefined)
		{
	document.write('<p>' + Descriptions[ImageNum] + '</p>');
		}
}