function menu_popupHome(e) {
	var elt = e.element(e);
	
	if (elt.nodeName == 'IMG') {
		//alert(elt.id);
	}
}

function projectImagePrev() {
	if (imageIndex > 0) imageIndex--;
	projectImageDisp(imageIndex);
}

function projectImageNext() {
	if (imageIndex < projectImage.length -1 ) imageIndex++;
	projectImageDisp(imageIndex);
}

function projectImageDisp(index) {
	$$('#projectImages img').each(function(item){
		if (item.id == projectImage[index]) item.show();
		else item.hide(); 
	});
}