function toggleSection(elmtId,headline)
{	
	
	// get the desired action parameter
	var elmt = $(elmtId);
	var action = "";
	if(elmt.style.display="none")
	{
		action="show";
	}
	else
	{
		action="hide";
	}
	
	// now, care about the icon
	var icon = $(elmtId + "Icon"); // get arrow icon by ID
	
	icon.alt=headline; // give icon section headline as alternative text for graphics (required by XHTML)
	
	if (action=="show") // change icon URI and complete the alternative text dynamically
	{
		icon.src="../resources/js/img/block.gif";
		icon.alt="Ausblenden: " + icon.alt;
	}
	else
	{
		icon.src="../resources/js/img/none.gif";
		icon.alt="Einblenden: " + icon.alt;
	}
	
	// let script.aculo.us do the real work...
	Effect.toggle($(elmtId),"blind"); // toggle it with slide effect
	
}
