case_frames=["","sun","moon","saturn","binary","redgiant","nebula","supernova","xray","m33","milkyway","spiral","elliptical","quasar","satellite_visible","satellite_xray","satellite_radio"];

function getEncycMod1Left(num)
	{
	images_left="";
	
	if (num<14)
		{
		images_left+='<div><img src="graphics/'+eval("image"+num)+'_visual.jpg" width="236" height="236" alt="Visible image of: '+eval("object"+num)+'" vspace="2" border="0" /></div>';
		images_left+='<div class="caption">'+eval("caption"+num+"_visible")+'</div>';
		images_left+='<div><br /><img src="graphics/'+eval("image"+num)+'_radio.jpg" width="236" height="236" alt="Radio image of: '+eval("object"+num)+'" vspace="2" border="0" /></div>';
		images_left+='<div class="caption">'+eval("caption"+num+"_radio")+'</div>';
		}
	else if (num!=17)
		{
		if (eval("caption"+num+"_visible")!="none")
			{
			images_left+='<div><img src="graphics/'+eval("image"+num)+'1.jpg" width="236" height="236" alt="Image of an instrument that uses \'\'visible light\'\' to detect objects" vspace="2" border="0" /></div>';
			images_left+='<div class="caption">'+eval("caption"+num+"_visible")+'</div>';
			}
		if (eval("caption"+num+"_radio")!="none")
			{
			images_left+='<div><br /><img src="graphics/'+eval("image"+num)+'2.jpg" width="236" height="236" alt="Image of an instrument that uses \'\'radio waves\'\' to detect objects" vspace="2" border="0" /></div>';
			images_left+='<div class="caption">'+eval("caption"+num+"_radio")+'</div>';
			}
		}
	else
		{
		if (eval("caption15_xray")!="none")
			{
			images_left+='<div><img src="graphics/xray3.jpg" width="236" height="236" alt="Image of an instrument that uses \'\'x-rays\'\' to detect objects" vspace="2" border="0" /></div>';
			images_left+='<div class="caption">'+caption15_xray+'</div>';
			}
		if (eval("caption16_xray")!="none")
			{
			images_left+='<div><br /><img src="graphics/radio3.jpg" width="236" height="236" alt="Image of an instrument that uses \'\'radio waves\'\' to detect objects" vspace="2" border="0" /></div>';
			images_left+='<div class="caption">'+caption16_xray+'</div>';
			}
		}
		
	unfilteredContent="";
	if (document.layers)
		{
		unfilteredContent+='<div align="left" id="leftcolumn">';
		unfilteredContent+='<div style="width:236px">'+images_left+'</div>';
		}
	else
		{
		document.write('<div align="left" id="leftcolumn">');
		document.write('<div style="width:236px">'+images_left+'</div>');
		}

	unfilteredContent+=('<div><br /></div></div>');
	currContent+=(updateVariable("unfilteredContent"));
	}
	
function getEncycMod1Right(num)
	{
	unfilteredContent="";
	unfilteredContent+='<div align="left" id="rightcolumn">';
	unfilteredContent+='<div class="noprint" style="padding-bottom:10px;"><a href="'+next_topic+'"';
	unfilteredContent+='	onmouseover="changeImages(\'btn_nexttopic\', \'graphics/btn_nexttopic_over.gif\'); return true;"';
	unfilteredContent+='	onmouseout="changeImages(\'btn_nexttopic\', \'graphics/btn_nexttopic.gif\'); return true;">';
	unfilteredContent+='	<img id="btn_nexttopic" name="btn_nexttopic" src="graphics/btn_nexttopic.gif" width="161" height="21" alt="Next Encyclopedia Topic" hspace="0" vspace="10" border="0" /></a><br />';
	unfilteredContent+='<a href="'+previous_topic+'"';
	unfilteredContent+='	onmouseover="changeImages(\'btn_previoustopic\', \'graphics/btn_previoustopic_over.gif\'); return true;"';
	unfilteredContent+='	onmouseout="changeImages(\'btn_previoustopic\', \'graphics/btn_previoustopic.gif\'); return true;">';
	unfilteredContent+='	<img id="btn_previoustopic" name="btn_previoustopic" src="graphics/btn_previoustopic.gif" width="184" height="21" alt="Previous Encyclopedia Topic" hspace="0" border="0" /></a><br />';
	unfilteredContent+='<a href="encyclopedia.html"';
	unfilteredContent+='	onmouseover="changeImages(\'btn_backcontents\', \'graphics/btn_backcontents_over.gif\'); return true;"';
	unfilteredContent+='	onmouseout="changeImages(\'btn_backcontents\', \'graphics/btn_backcontents.gif\'); return true;">';
	unfilteredContent+='	<img id="btn_backcontents" name="btn_backcontents" src="graphics/btn_backcontents.gif" width="200" height="21" alt="Back to Encyclopedia Contents" hspace="0" vspace="10" border="0" /></a></div>';
	
	if (eval("link_url"+num+"_1")!="none")
		{
		unfilteredContent+='<div><strong class="yellowtitle">External Links and Further Reading:</strong></div>';
		unfilteredContent+='<ul style="margin-right:0px; margin-top:6px; margin-bottom:6px;" class="pink">';
		}
		
	for (j=1; j<5; j++)
		{
		if (eval("link_url"+num+"_"+j)!="none")
			{
			unfilteredContent+='<li style="margin-top:0px; margin-bottom:0px;" class="pink"><a href="'+eval("link_url"+num+"_"+j)+'" target="blank" class="pinklink">'+eval("link_displayed"+num+"_"+j)+'</a></li>';
			}
		}
		
	if (eval("link_url"+num+"_1")!="none")
		{
		unfilteredContent+='</ul>';
		}
		
	unfilteredContent+='</div>';
	
	currContent+=(updateVariable("unfilteredContent"));
	}