$(function() {
	$('a[rel="external"]').click(function () {
  		$(this).attr({'target':'_blank'});
	});
	
	$('a[rel="back"]').click(function () {
  		history.back();
		return false;
	});
	
	var fotosHead = _head_image.length;
	var rndNumHead = Math.floor(Math.random() * fotosHead);
	
	$("#masthead").css("background-image","url(" + _head_image[rndNumHead]  + ")");

  $('a.email').nospam();
  $('a.email_i_text').nospam({ replaceText: true});

});