// JavaScript Document
$(function() { 
	fadingFlash();
	if(document.getElementById("intro")){
		setTimeout("intro()",1000);
	}

	var offset = Math.ceil(Math.random()*5)*(-460);
	$('div.slide').css({backgroundPosition: "" + offset + "px 0px"});
 
	function scrollbackground() {
   		offset = offset - 460;
   		$('div.slide').stop().animate({backgroundPosition:"(" + offset + " 0)"}, {duration:3000, complete:function(){
				$('div.slide').css({backgroundPosition: "" + offset + "px 0px"})
		}});
		setTimeout(function() { scrollbackground(); }, 3500);
   	}
 	setTimeout(function() { scrollbackground(); }, 2000);
});

jQuery(document).ready(function() {
    jQuery('ul.jcarousel-skin-tango').jcarousel({
		scroll:1
	});
});


function intro(){
	$('#intro').fadeOut(4000);
}

function fadingFlash(){
	$(".flash").fadeTo(400,0.10);
	$(".flash").fadeTo(400,1);
	setTimeout("fadingFlash()",1600);
}

(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);