$(document).ready(function(){

  $('a[href*=#]').click(function() {
  	if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'')
	  && location.hostname == this.hostname) {
	    var $target = $(this.hash);
	    $target = $target.length && $target
	    || $('[name=' + this.hash.slice(1) +']');
	    if ($target.length) {
	      var targetOffset = $target.offset().top - 30;
	      $('html,body')
	      .animate({scrollTop: targetOffset}, 750);
	     return false;
	    }
	  }
	});
 
});