function swapNav(div) {
	$('.linkbox').slideUp("fast");
	
	$('.swap').attr("src","images/icon/arr_down_or.jpg");

	
	if(document.getElementById(div + "_content").style.display=='none') { 
		$('#' + div + "_content").slideDown("fast");
		document.getElementById(div).innerHTML='<a href="#" onclick="swapNav(\''+div+'\'); return false;"><img src="images/icon/arr_up_or.jpg" alt="" class="swap" /></a>';
	} else {
		$('#' + div + "_content").slideUp("fast");
		document.getElementById(div).innerHTML='<a href="#" onclick="swapNav(\''+div+'\'); return false;"><img src="images/icon/arr_down_or.jpg" alt="" class="swap" /></a>';
	}
}

function swap(div) {
	document.getElementById('pagecontent').style.display='none';
	document.getElementById('pagemarginal').style.display='none';
	document.getElementById('pagemarginal2').style.display='none';
	document.getElementById(  div  ).style.display='';
}