文章悬浮操作栏定位问题

js/articalShow.js

				}
				
				var articletitle = data.data.articleTitle + "-科袖网";
				document.title = articletitle;
				window.setTimeout(function() {
					document.title = articletitle;
					$('body').scrollTop(4);
					var oShareW = $('.share-nav').outerWidth(true);
		$('.shareBlock').scrollFix( {
	        startTop:'body',
	        bottom: '0',
	        endPos : '.share-bottom',
			width: oShareW ,
	        zIndex : 997
	    });	
				}, 500);
					$('.shareBlock').scrollFix( {
				        startTop:'body',
				        bottom: '0',
				        endPos : '.share-bottom',
						width: oShareW ,
				        zIndex : 997
				    });	
				}, 300);
			},
			"error":function(){
				$.MsgBox.Alert('提示','链接服务器超时')

js/scrollfix.js

			var originalZIndex;
			var lastOffsetLeft = -1;
			var isUnfixed = true;
			var o_h =(window.document.body || window.document.documentElement).scrollHeight;
			//如果没有找到节点，不进行处理
			if (obj.length <= 0) {
				return;
			resetScroll();
			// }
			$(window).on("scroll", function() {
				var n_h=(window.document.body || window.document.documentElement).scrollHeight;
				if (Timer) {
					clearTimeout(Timer);
				}
				Timer = setTimeout(onScroll, 0);
				if(n_h === o_h){
					Timer = setTimeout(onScroll, 0);
				}else{
					o_h = n_h;
					Timer = setTimeout(function(){
						isUnfixed=false;
						resetScroll();
						onScroll();
					},0);
				}
					
			});
//			$(window).on("scroll", function() {
//				if (Timer) {
//					clearTimeout(Timer);
//				}
//				Timer = setTimeout(onScroll, 0);
//			});
			// 当发现调整屏幕大小时，重新执行代码
			$(window).on("resize", function() {
				if (Timer) {