$().ready(function() {

  /* dimensions */
  
  if($('ul#slides').length){
    var width_slides = 0;
    var height_slides = 0;

    $('ul#slides li.slide').each(function(i, elem){
      width_slides += ($(elem).width()+15);
      if( $(elem).height() > height_slides){
        height_slides = $(elem).height();
      }
    });

    $('ul#slides').width(width_slides);
    $('ul#slides').height(height_slides);
    $('#nav').height(height_slides);
  }

  /* nav */

  $('ul.projects_children:has(li > a.on)').addClass('open').prev('ul#projects_current > li > a').addClass('parent_on');

  /*
	$('ul#projects_current > li:has(ul.projects_children) > a').click(function() {
		$(this).next('ul.projects_children').slideToggle();
		$(this).toggleClass('open');
		return false;
	});
	*/


  /* cycle */

  $('ul#slides li.image_slide .image_slide_cycle').cycle({
    timeout: 2200,
    speed: 1000
  });

  /* horizontal */

  $(window).mousewheel(function(event, delta) {
    event.preventDefault();
    //console.log(delta);
    horizontal_scroll(delta);
  });

//END of $().ready(function() {
});


function horizontal_scroll(delta){

  var scroll = $(window).scrollLeft();
  scroll_to = scroll - 50 * delta;
  if(scroll >= 0 && scroll_to >= 0){
    $('html,body').scrollLeft( scroll_to );
  }

}