function modifyDisplay(objId) {
	var obj = document.getElementById(objId);
	if (obj.style.display == 'block') obj.style.display = 'none';
	else obj.style.display = 'block';
	return false;
}

function postClick(obj) {
	// recupera o elemento clicado a partir do objeto que disparou o evento
	if (document.all) obj = event.srcElement // IE
	else obj = obj.target;
	if (obj.tagName == 'IMG') {
//		if (objSrc.indexOf('flickr') != -1) objSrc = 'http://photos1.flickr.com/' + objSrc.substr(objSrc.indexOf('flickr')+6);
		zoom(obj);
	}
}
function zoom(img) {
	PositionX = 0;
	PositionY = 0;
	var imgSrc = img.src.replace(/\.thumbnail/,"");
	imgSrc = imgSrc.replace(/thumb\-/,"");
	imgSrc = imgSrc.replace(/tn_/,"");
	imgSrc = imgSrc.replace(/_m/,"_o");
	imgSrc = imgSrc.replace(/_t/,"_o");
	imgSrc = imgSrc.replace(/\-p\./,".");
	imgSrc = imgSrc.replace(/_resize\./,".");
	_showLightbox(img,imgSrc);
//	window.open('/util/image.php?imagem=' + imgSrc + '&title=' + img.alt, '', 'resizable=1,scrollbars=no,width=100,height=100,left='+PositionX+',top='+PositionY);
}