fix定位js修改

@@ -493,6 +493,7 @@ define('yohood', function(require, exports) {
 		relatedTop = relatedPost.offset().top;
 		relatedTop = relatedPost.offset().top;
 		relatedH = relatedPost.outerHeight();
 		relatedH = relatedPost.outerHeight();
 		maxH = $('.limited-goods').offset().top;
 		maxH = $('.limited-goods').offset().top;
+		if ($('.bd') > $(window).height()) {
 			$(window).on('scroll', function() {
 			$(window).on('scroll', function() {
 				if ($(this).scrollTop() >= relatedTop) {
 				if ($(this).scrollTop() >= relatedTop) {
 					relatedPost.addClass('fix');
 					relatedPost.addClass('fix');
@@ -512,6 +513,7 @@ define('yohood', function(require, exports) {
 					relatedPost.removeClass('fix').removeAttr('style');
 					relatedPost.removeClass('fix').removeAttr('style');
 				}
 				}
 			});
 			});
+		}
 
 
 		//分享按钮位置
 		//分享按钮位置
 		var shareOffsetTop = $(".share").offset().top;
 		var shareOffsetTop = $(".share").offset().top;
@@ -634,6 +636,7 @@ define('yohood', function(require, exports) {
 				tabTop = oTab.offset().top,
 				tabTop = oTab.offset().top,
 				tabH = oTab.outerHeight(),
 				tabH = oTab.outerHeight(),
 				maxH = $('.limited-goods').offset().top;
 				maxH = $('.limited-goods').offset().top;
+			if ($('.bd') > $(window).height()) {
 				$(window).on('scroll', function() {
 				$(window).on('scroll', function() {
 					if ($(this).scrollTop() >= tabTop) {
 					if ($(this).scrollTop() >= tabTop) {
 						oTab.addClass('fix');
 						oTab.addClass('fix');
@@ -653,6 +656,7 @@ define('yohood', function(require, exports) {
 						oTab.removeClass('fix').removeAttr('style');
 						oTab.removeClass('fix').removeAttr('style');
 					}
 					}
 				});
 				});
+			}
 			//日期自动定位
 			//日期自动定位
 			$(".site-activity-time").each(function() {
 			$(".site-activity-time").each(function() {
 				if (timestamp >= $(this).attr("start_time") && timestamp <= $(this).attr("end_time")) {
 				if (timestamp >= $(this).attr("start_time") && timestamp <= $(this).attr("end_time")) {