$(document).ready(function() {				
	/* initialize external links */
	$('.external').attr('target', '_blank');
});

function isValidEmailAddress(email){
	var x = email;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(x)) return true;
	else return false;
}