function highlight(field, v) {
	document.getElementById(field).className = ((v) ? "error": "");
}

function isEmail(str) {
	var regex = /^[a-z0-9\._-]+@([a-z0-9_-]+\.)+[a-z]{2,6}$/i;
	return regex.test(str);
}

function formatTitle(title, currentArray, currentIndex, currentOpts) {
    return '<div style="text-align:left;">' + (title && title.length ? '' + title + '' : '' ) + '</div><div style="text-align:right; padding-top:4px; font-weight:bold;">Image ' + (currentIndex + 1) + ' of ' + currentArray.length + '</div>';
}

function viewPage(page) {
	if (page != "") {
		document.location = page;
	}
}