(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);
  $(document).ready(function(){
    $(".podlink a").hover(function() {
    $(this).parent().parent().animate({ backgroundColor: "#68BFEF" }, 300);
    $(this).animate({ color: "#68BFEF" }, 300);
},function() {
    $(this).parent().parent().animate({ backgroundColor: "#7d7d7d" }, 300);
    $(this).animate({ color: "#0557a1" }, 300);
	
});

$(function(){
	$('#topnav a')
		.css( {backgroundPosition: "-300px 0px"} )
		.mouseover(function(){
			$(this).stop().animate({backgroundPosition:"(0px 0px)"}, {duration:600})
		})
		.mouseout(function(){
			$(this).stop().animate({backgroundPosition:"(-300px 0)"}, {duration:600})
		})
});

$(".tab").mouseover(function () {
      $(this).css("background-position","0");
      $(this).css("background-color","#f2f2f2");	  
	  $("a", this).css("background-position","top right");
      $("ul", this).css("display","block");	  
    });
$(".tab").mouseout(function () {
      $(this).css("background-position","-7px 0");
      $(this).css("background-color","");	  
	  $("a", this).css("background-position","-10px");
      $("ul", this).css("display","none");	    
    });

  });