function appear(place)
{
   document.getElementById(place).style.visibility='visible';
}

function nav(place)
{
	var text;
	var title;

	if(document.getElementById(place).innerHTML != '') 
	{
		document.getElementById(place).innerHTML = '';
		document.getElementById(place + 'title').src = '../site/side.gif';
	}
	else 
	{
		switch(place)
		{
			case "ob":
				text = '<br /><img src=\"../site/bullet.gif\" class=\"pad2\" /><a href=\"mfm.htm\">Maternal Fetal Medicine</a>';
				text = text + '<br /><img src=\"../site/bullet.gif\" class=\"pad2\" /><a href=\"ld.htm\">Labor and Delivery</a>';
				
				text = text + '<br /><img src=\"../site/side.gif\"  style=\"cursor:pointer;\" onClick=\"nav(\'sis\');\" class=\"pad2\" id=\"sistitle\" name=\"sistitle\" /><a href=\"sisters.htm\">Birth Sisters Program</a><span name="sis" id="sis"></span>';
				break;   
			
			case "gyn":
				text = '<br /><img src=\"../site/bullet.gif\" class=\"pad2\" /><a href=\"rei.htm\">Reproduction / Infertility </a>';
				text = text + '<br /><img src=\"../site/bullet.gif\" class=\"pad2\" /><a href=\"oncology.htm\">Oncology</a>';
				text = text + '<br /><img src=\"../site/bullet.gif\" class=\"pad2\" /><a href=\"urology.htm\">Urology</a>';
				text = text + '<br /><img src=\"../site/bullet.gif\" class=\"pad2\" /><a href=\"fpl.htm\">Family Planning</a>';
			break;
			
			case "sis":
				text = '<br /><img src=\"../site/bullet.gif\" class=\"pad3\" /><a href=\"training.htm\">Web Training</a>';
				text = text + '<br /><img src=\"../site/bullet.gif\" class=\"pad3\" /><a href=\"links.htm\">Web Links</a>';
				text = text + '<br /><img src=\"../site/bullet.gif\" class=\"pad3\" /><a href=\"donate.htm\">Donations</a>';
			break;
			
			case "spec":
				text = '<br /><img src=\"../site/bullet.gif\" class=\"pad2\" /><a href=\"substance.htm\">Addiction Medicine </a>';
				text = text + '<br /><img src=\"../site/bullet.gif\" class=\"pad2\" /><a href=\"disable.htm\">Women with Disabilities</a>';
				text = text + '<br /><img src=\"../site/bullet.gif\" class=\"pad2\" /><a href=\"refugee.htm\">Refugee Women\'s Health</a>';
				text = text + '<br /><img src=\"../site/bullet.gif\" class=\"pad2\" /><a href=\"surgery.htm\">Minimally Invasive Surgery</a>';
			break;

			default:
	  			alert("An error has occurred.");
		}
	document.getElementById(place).innerHTML = text;
	document.getElementById(place + 'title').src = '../site/down.gif';
	} 
}