// JavaScript Document
//Content Display Function
//	contentID			= id of the span tag for hidden content
//	controllID		= id of the graphic which controls the visibility of the span tag
//	showGraphic		= URL to the show content graphic
//	closeGraphic	=	URL to the close content graphic	
function contentDisplay(contentID, controllID, showGraphic, closeGraphic)
{
	//SPAN ELEMENT DISPLAY 
	//Get the current display style: if none the set display to '', else set display 'none'
	document.getElementById(contentID).style.display=document.getElementById(contentID).style.display =='none' ? '' : 'none'
	
	//GRAPHIC CHANGE
	if (document.getElementById(contentID).style.display == 'none')
	{
		//Display More Graphic
		document.getElementById(controllID).src= showGraphic;
	}
	else
	{
		//Display Close Graphic
		document.getElementById(controllID).src= closeGraphic;
	}
}