$(document).ready(function(){
  $('p.low-btn a')
    .css({ 'backgroundPosition': '0 0' })
	.hover(
      function(){
        $(this).stop()
          .animate({
            'opacity': 0
          }, 1000);
	  },
	  function(){
        $(this).stop()
          .animate({
            'opacity': 1
          }, 1000);
	  }
  );
	
  $('p.hire-btn a')
    .css({ 'backgroundPosition': '0 0' })
	.hover(
      function(){
        $(this).stop()
          .animate({
            'opacity': 0
          }, 1000);
	  },
	  function(){
        $(this).stop()
          .animate({
            'opacity': 1
          }, 1000);
	  }
  );
	
  $('p.travel-btn a')
    .css({ 'backgroundPosition': '0 0' })
	.hover(
      function(){
        $(this).stop()
          .animate({
            'opacity': 0
          }, 1000);
	  },
	  function(){
        $(this).stop()
          .animate({
            'opacity': 1
          }, 1000);
	  }
  );
	
  $('p.eco-btn a')
    .css({ 'backgroundPosition': '0 0' })
	.hover(
      function(){
        $(this).stop()
          .animate({
            'opacity': 0
          }, 1000);
	  },
	  function(){
        $(this).stop()
          .animate({
            'opacity': 1
          }, 1000);
	  }
  );

  $('p.rec-btn a')
    .css({ 'backgroundPosition': '0 0' })
	.hover(
      function(){
        $(this).stop()
          .animate({
            'opacity': 0
          }, 1000);
	  },
	  function(){
        $(this).stop()
          .animate({
            'opacity': 1
          }, 1000);
	  }
  );

  $('p.member-btn a')
    .css({ 'backgroundPosition': '0 0' })
	.hover(
      function(){
        $(this).stop()
          .animate({
            'opacity': 0
          }, 1000);
	  },
	  function(){
        $(this).stop()
          .animate({
            'opacity': 1
          }, 1000);
	  }
  );

  $('p.hirer-btn a')
    .css({ 'backgroundPosition': '0 0' })
	.hover(
      function(){
        $(this).stop()
          .animate({
            'opacity': 0
          }, 1000);
	  },
	  function(){
        $(this).stop()
          .animate({
            'opacity': 1
          }, 1000);
	  }
  );

  $('p.sky-btn a')
    .css({ 'backgroundPosition': '0 0' })
	.hover(
      function(){
        $(this).stop()
          .animate({
            'opacity': 0
          }, 1000);
	  },
	  function(){
        $(this).stop()
          .animate({
            'opacity': 1
          }, 1000);
	  }
  );

$("ul.subnav").parent().append("<span></span>"); //Only shows drop down trigger when js is enabled - Adds empty span tag after ul.subnav
	
	$("ul.topnav li span").click(function() { //When trigger is clicked...
		
		//Following events are applied to the subnav itself (moving subnav up and down)
		$(this).parent().find("ul.subnav").slideDown('fast').show(); //Drop down the subnav on click

		$(this).parent().hover(function() {
		}, function(){	
			$(this).parent().find("ul.subnav").slideUp('slow'); //When the mouse hovers out of the subnav, move it back up
		});

		//Following events are applied to the trigger (Hover events for the trigger)
		}).hover(function() { 
			$(this).addClass("subhover"); //On hover over, add class "subhover"
		}, function(){	//On Hover Out
			$(this).removeClass("subhover"); //On hover out, remove class "subhover"
	});


});

/**
 * @author Alexander Farkas
 * v. 1.02
 */
(function($) {
	$.extend($.fx.step,{
	    backgroundPosition: function(fx) {
            if (fx.state === 0 && typeof fx.end == 'string') {
                var start = $.curCSS(fx.elem,'backgroundPosition');
                start = toArray(start);
                fx.start = [start[0],start[2]];
                var end = toArray(fx.end);
                fx.end = [end[0],end[2]];
                fx.unit = [end[1],end[3]];
			}
            var nowPosX = [];
            nowPosX[0] = ((fx.end[0] - fx.start[0]) * fx.pos) + fx.start[0] + fx.unit[0];
            nowPosX[1] = ((fx.end[1] - fx.start[1]) * fx.pos) + fx.start[1] + fx.unit[1];           
            fx.elem.style.backgroundPosition = nowPosX[0]+' '+nowPosX[1];
            
           function toArray(strg){
               strg = strg.replace(/left|top/g,'0px');
               strg = strg.replace(/right|bottom/g,'100%');
               strg = strg.replace(/([0-9\.]+)(\s|\)|$)/g,"$1px$2");
               var res = strg.match(/(-?[0-9\.]+)(px|\%|em|pt)\s(-?[0-9\.]+)(px|\%|em|pt)/);
               return [parseFloat(res[1],10),res[2],parseFloat(res[3],10),res[4]];
           }
        }
	});
})(jQuery);