//dropdownmenu
$(function(){
    $("ul.sub").hide();
    $("ul.menu li").hover(function(){
            $("ul:not(:animated)",this).slideDown("fast")
        },
        function(){
            $("ul",this).slideUp("fast");
    })
})

//rollover
jQuery(document).ready(function($) {
var postfix = '_on';
$('.hover').not('[src*="'+ postfix +'."]').each(function() {
var img = $(this);
var src = img.attr('src');
var src_on = src.substr(0, src.lastIndexOf('.'))
+ postfix
+ src.substring(src.lastIndexOf('.'));
$('<img>').attr('src', src_on);
img.hover(
function() {
img.attr('src', src_on);
},
function() {
img.attr('src', src);
}
);
});
});

//smoothscroll
jQuery.easing.quart = function (x, t, b, c, d) {
    return -c * ((t=t/d-1)*t*t*t - 1) + b;
};
jQuery(document).ready(function(){
    jQuery('a[href*=#]').click(function() {
        if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) {
            var $target = jQuery(this.hash);
            $target = $target.length && $target || jQuery('[name=' + this.hash.slice(1) +']');
            if ($target.length) {
                var targetOffset = $target.offset().top;
                jQuery('html,body').animate({ scrollTop: targetOffset }, 1200, 'quart');
                return false;
            }
        }
    });
 
});