function PTConfirmAction(msg) {
	if (typeof msg == 'undefined') {
		msg = 'Are you sure?';
	}
	return confirm(msg);
}

function PTShowHideItem(myItem, visible) {
	if (typeof visible == 'undefined') {
		visible = (myItem.style.visibility == 'hidden');
	}
	if (!visible) {
		myItem.style.visibility = 'hidden';
		myItem.style.display = 'none';
	} else {
		myItem.style.visibility = 'visible';
		myItem.style.display = '';
	}
	return false;
}

function PTImgZoom(sPicURL) {
	window.open( "_ImgZoom.htm?"+sPicURL, "", "resizable=1,HEIGHT=200,WIDTH=200");
}