(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);

$(function(){
	$('#logo')
		.css( {backgroundPosition: "0px 0px"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(0 -420px)"}, {duration:300})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(0px 0px)"}, {duration:300})
		})		   
	$('#home')
		.css( {backgroundPosition: "0px 0px"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(0 -35px)"}, {duration:250})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(0px 0px)"}, {duration:200})
		})
	$('#work')
		.css( {backgroundPosition: "-34px 0px"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(-34px -35px)"}, {duration:250})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(-34px 0px)"}, {duration:200})
		})
	$('#company')
		.css( {backgroundPosition: "-98px 0px"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(-98px -35px)"}, {duration:250})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(-98px 0px)"}, {duration:200})
		})
	$('#news')
		.css( {backgroundPosition: "-157px 0px"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(-157px -35px)"}, {duration:250})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(-157px 0px)"}, {duration:200})
		})		
	$('#careers')
		.css( {backgroundPosition: "-191px 0px"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(-191px -35px)"}, {duration:250})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(-191px 0px)"}, {duration:200})
		})		
	$('#contact')
		.css( {backgroundPosition: "-244px 0px"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(-244px -35px)"}, {duration:250})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(-244px 0px)"}, {duration:200})
		})		
});
function mycarousel_initCallback(carousel)
{
    // Disable autoscrolling if the user clicks the prev or next button.
    carousel.buttonNext.bind('click', function() {
        carousel.startAuto(0);
    });

    carousel.buttonPrev.bind('click', function() {
        carousel.startAuto(0);
    });

    // Pause autoscrolling if the user moves with the cursor over the clip.
    carousel.clip.hover(function() {
        carousel.stopAuto();
    }, function() {
        carousel.startAuto();
    });
};

jQuery(document).ready(function() {
    jQuery('#featured').jcarousel({
        auto: 3.5,
        wrap: 'last',
		scroll: 1, 
		vertical: true,
        initCallback: mycarousel_initCallback
    });
});