function showObj(id, type) {
	if (document.getElementById) document.getElementById(id).style.display = (type ? type : 'block');
}
function hideObj(id) {
	if (document.getElementById) document.getElementById(id).style.display = 'none';
}

// needed for safari+flash compatability
function showObj2(id) {
	if (document.getElementById) document.getElementById(id).style.visibility = 'visible';
}
function hideObj2(id) {
	if (document.getElementById) document.getElementById(id).style.visibility = 'hidden';
}

var curDivId = 0;
function displayDetail(filename, id) {
	hideObj('nav');
	hideObj('leftcol');
	hideObj2('flashM');
	
	showObj('detailImage');

	$('detailImageCap').innerHTML = $('caption_' + id).innerHTML;
	
	document.detailImg.src = filename;
}

function hideDetail() {
	showObj('nav');
	showObj('leftcol');
	showObj2('flashM');
	
	hideObj('detailImage');

	$('detailImageCap').innerHTML = '';
	
	document.detailImg.src = '/img/spacer.gif';
}