1、禁止页面滚动

APP端禁止页面滚动

			//定义允许或禁止页面滚动条
			var MuiScrollWrapperElements = null;
			var MuiScrollElements = null;
			function InitiatePageScrollBar(AllowScrollBar)
            {
				if (AllowScrollBar)
				{
					if (MuiScrollWrapperElements != null)
					{
						//添加页面上的mui-scroll-wrapper及mui-scroll样式
						Element.AddClass(MuiScrollWrapperElements, "mui-scroll-wrapper");
						Element.AddClass(MuiScrollElements, "mui-scroll");
					}
				}
				else
				{
					MuiScrollWrapperElements = $(".mui-scroll-wrapper");
					MuiScrollElements = $(".mui-scroll");

					if (MuiScrollWrapperElements != null)
					{
						//删除页面上的mui-scroll-wrapper及mui-scroll样式
						Element.RemoveClass(MuiScrollWrapperElements, "mui-scroll-wrapper");
						Element.RemoveClass(MuiScrollElements, "mui-scroll");
					}
				}

				//禁止父窗口的PageMainContentIFrame滚动
				WindowMessageClass.PostMessage("(function(){  Element.SetAttribute($('#PageMainContentIFrame'), 'scrolling', 'no');  })", {});
			}