// JavaScript Document
/***** NAVIGATION TRIGGER **********/
function sNavTrigger(what) {

	var chunkDisplay = (document.getElementById('chunk_'+what).style.display == 'none'  || document.getElementById('chunk_'+what).style.display == "") ? 'block' : 'none';
	document.getElementById('chunk_'+what).style.display = chunkDisplay;

	document.getElementById('breakpoint_trigger_'+what).style.backgroundImage = (document.getElementById('breakpoint_trigger_'+what).style.backgroundImage == '' || document.getElementById('breakpoint_trigger_'+what).style.backgroundImage == 'url(/images/enh_plus_back.gif)') ? 'url(/images/enh_minus_back.gif)' : 'url(/images/enh_plus_back.gif)';

	}