// rollover
function initRollOverImages() {
  var image_cache = new Object();
  $(".over").each(function(i) {
    var imgsrc = this.src;
    var dot = this.src.lastIndexOf('.');
    var imgsrc_ro = this.src.substr(0, dot) + '_on' + this.src.substr(dot, 4);
    image_cache[this.src] = new Image();
    image_cache[this.src].src = imgsrc_ro;
    $(this).hover(
      function() { this.src = imgsrc_ro; },
      function() { this.src = imgsrc; });
  });
}

$(document).ready(initRollOverImages);

// SmoothScroll
jQuery.fn.extend({
  scrollTo : function(speed, easing) {
    if(!$(this)[0].hash || $(this)[0].hash == "#") {
      return false;
    }
    return this.each(function() {
      var targetOffset = $($(this)[0].hash).offset().top;
      $('html,body').animate({scrollTop: targetOffset}, speed, easing);
    });
  }
});

$(document).ready(function(){
  $('a[href*=#]').click(function() {
    $(this).scrollTo(500);
    return false;
  });
});