var iTnHeight;
var iTnWidth;

function SetPictName(sPictName)
{
	parent.sPictName = sPictName;
}

function prepare_index()
{
	sPath = "tnails/";
	if (parent.iGroup == 1)
	{
		iStart = 1;
		iEnd = 60;
	}
	else if (parent.iGroup == 2)
	{
		iStart = 61;
		iEnd = 120;
	}
	else if (parent.iGroup == 3)
	{
		iStart = 121;
		iEnd = 180;
	}
	else if (parent.iGroup == 4)
	{
		iStart = 181;
		iEnd = 240;
	}
	else if (parent.iGroup == 5)
	{
		iStart = 241;
		iEnd = 300;
	}
	else if (parent.iGroup == 6)
	{
		iStart = 301;
		iEnd = 360;
	}
	else if (parent.iGroup == 7)
	{
		iStart = 361;
		iEnd = 420;
	}
	else if (parent.iGroup == 8)
	{
		iStart = 421;
		iEnd = 488;
	}	
	else
	{
		iStart = 0;
		iEnd = 0;
		sPath = ""
	}
	
	/*
	if (parent.sPictName<="217")
	{
		iTnHeight = 67;
		iTnWidth = 100;
	}
	else
	{
		iTnHeight = 75;
		iTnWidth = 100;
	}
	*/
	
	iTnHeight = 67;
	iTnWidth = 100;

	if (parent.iGroup != 0)
	{
		for (i=iStart; i<=iEnd; i++)
		{
			if (i < 10)
				sPad = "00";
			else if (i < 100)
				sPad = "0";
			else
				sPad = "";
				
			sFn = sPath + "tn_" + sPad + i + ".gif";
			
			sName = sPad + i;
			document.write('<a href="display.html" target="Display" onClick=SetPictName("' + sName + '"); return true;>');
			document.write('<img src="'+ sFn +'" name="'+ sName +'" border=0 height="'+iTnHeight+ '" width="'+iTnWidth+'" align="center" alt="Click to view the enlarged picture">');
			document.write("</a><br><br>");
		}
	}
	else
	{
		document.write('<center><font color="red">Select a<br>photo<br>group to get<br>started</font></center>');
	}	
}