function ireLoadNav() {

	var navTable = $('irePrimaryNav');
	var imgs = navTable.getElementsByTagName('img');
	
	for (i=0;i<imgs.length;i++) {
		var el = imgs[i];
		if (el.id.replace('ireNav-','') == ireCurrentSection) {
			el.src = el.src.replace('.gif','-over.gif');
		} else {
			el.onmouseover = function() { ireNavSwap(this, 'over'); }
			el.onmouseout = function() { ireNavSwap(this, 'out'); }
			
			// Preload the over states
			
		}
			
	}
}

function ireNavSwap(el,action) {
	if (action == 'over')
		el.src = el.src.replace('.gif','-over.gif');
	else
		el.src = el.src.replace('-over.gif','.gif');
}

addEvent(window,'load',function() { ireLoadNav() });