function swapPic (whichPic) { 
	if (document.getElementById) { 
		document.getElementById('ProjectImage').src = whichPic.href; 
		if (whichPic.title) { 
			document.getElementById('ImageDescription').childNodes[0].nodeValue = whichPic.title; 
		} else { 
			document.getElementById('ImageDescription').childNodes[0].nodeValue = whichPic.childNodes[0].nodeValue; 
		} 
		return false; 
	} else { 
		return true; 
	} 
}

// http://www.cssnewbie.com/example/showhide-content
function showHide(shID) {
	if (document.getElementById(shID)) {
		if (document.getElementById(shID+'-show').style.display != 'none') {
			document.getElementById(shID+'-show').style.display = 'none';
			document.getElementById(shID).style.display = 'block';
		}
		else {
			document.getElementById(shID+'-show').style.display = 'inline';
			document.getElementById(shID).style.display = 'none';
		}
	}
}