function datediff(){var t=$(".jnowtime_m_black").val();countdatediff(t,$(".jendtime_m_black").val());var a=parseInt(t);$(".jnowtime_m_black").val(parseInt(a)+60)}function countdatediff(t,a){var n=a-t;if(!(parseInt(n)<0)){var e=parseInt(n/86400),s=(n=n%86400)/3600,l=(s=parseInt(s),n=n%3600,parseInt(n/60)),c=n%60,o=parseInt(c/1);if(0==s&&e>0&&(s=23,e-=1),0==l&&s>0&&(l=59,s-=1),1==(""+e).length)var i="0"+e;else i=e;if(1==(""+s).length)var d="0"+s;else d=s;if(1==(""+l).length)var f="0"+l;else f=l;if(1==(""+o).length)var r="0"+o;else r=c;$(".countdown-amount").each(function(){$(this).hasClass("black-day-countdown")&&$(".black-day-countdown").text(i),$(this).hasClass("black-hrs-countdown")&&$(".black-hrs-countdown").text(d),$(this).hasClass("black-min-countdown")&&$(".black-min-countdown").text(f),$(this).hasClass("black-sec-countdown")&&$(".black-sec-countdown").text(r)})}}if($(".jnowtime_m_black").length&&$(".jendtime_m_black").length){datediff();setInterval("datediff()", 6e4);}