// getElmnt( aID )
// Returns a reference to an element by its ID
function getElmnt( aID )
{
	// Create empty element object
	var element = null; 
	
	// Find ID for Netscape 4
	if( document.layers )
		element = document.layers[aID]
		
	// Find ID for Internet Explorer 4
	else if( document.all )
		element = document.all[aID]
		
	// Find ID for anything else
	else if( document.getElementByID )
		element = document.getElementById( aID );
		
	// Return element reference
	return element;
}


// showElmnt( aID, sShow )
// Shows or hides an element by its ID
function showElmnt( aID, sShow )
{
	// Get element by ID
	var element = null; 
	element = getElmnt( aID );
	
	// Show or hide element as specified
	if( element )
		element.style.visibility = sShow;
}