//Anonymous function that is applied to all internal-links
var jump=function(e)
{
       //prevent the "normal" behaviour which would be a "hard" jump
       e.preventDefault();
       //perform animated scrolling
		$('html, body').animate({
			scrollTop: $("body").offset().top
		}, 1000);

}

$(document).ready(function()
{
       $('a[href*=#]').bind("click", jump);
       return false;
});