$(document).ready(function() {
  $("a[@href^=http]").each(
    function(){
	    if(this.href.indexOf(location.hostname) == -1) { 
        $(this).attr('target', '_blank');
      }
    }
  )

$("a[href*=.pdf]").click(function(){
	window.open(this.href);
	return false;
});
});