// thumbnail rollover fade
var selector = 'img.rollover';
var baseOpacity = '1';
var fadeInVal = '.5';
var fadeSpeed = '1000';
$(selector)
        .css('opacity',baseOpacity)
        .mouseover(function(){
                $(this).stop().animate({'opacity':baseOpacity},fadeSpeed);
        })
        .mouseout(function(){
                $(this).stop().animate({'opacity':fadeInVal},fadeSpeed);
        })
;

// back to top animation
$(document).ready(function() {
    $('a[href=#top]').click(function(){
        $('html, body').animate({scrollTop:0}, 'slow');
        return false;
    });
});