var $submit = $("input#headsubmit");
var $field = $("input#headwhat");
var $valueLength = $field.length;
		
if ( $valueLength > 0 ) {
	$submit.removeAttr("disabled");
} else {
	$submit.attr("disabled","disabled");
}

$field.bind('keyup', function() {
	$valueLength = $field.length;
	if ( $valueLength > 0 ) {
		$submit.removeAttr("disabled");
	} else {
	   $submit.attr("disabled","disabled");
	}
});

$('a[rel^=external]').attr('target', '_blank');
$('a[href^=http://]').attr('target', '_blank');