Efekat klizanja po stranici

jQuery(document).ready(function(){
jQuery('#nav a[href*=#]').click(function() {
if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'')
&& location.hostname == this.hostname) {
var $target = jQuery(this.hash);
$target = $target.length && $target
|| $('[name=' + this.hash.slice(1) +']');
if ($target.length) {
var targetOffset = $target.offset().top;
jQuery('html,body')
.animate({scrollTop: targetOffset}, 1000);
return false;
}
}
});
});