//通过点击记住某一元素的显示或隐藏状态，只记住需要显示的元素ID
                function showmore(id) { 
				if ( $("#"+id).css('display') == "none" ){
					$("#"+id).show();
					 var showids = JSON.parse(localStorage.getItem("showids") ) ? JSON.parse(localStorage.getItem("showids") ) :[] ; 
					 if(showids ){  
						const index = showids.indexOf(id);  
						if(index == -1){
							showids.push(id); 
							localStorage.setItem("showids",JSON.stringify(showids));
						} 
					 } else{  
					 	showids.push(id);  
					 	localStorage.setItem("showids",JSON.stringify(showids));
					 } 

				}else{
					$("#"+id).hide();
					 var showids = JSON.parse(localStorage.getItem("showids") ) ? JSON.parse(localStorage.getItem("showids") ) :[] ; 
					 if(showids ){  
						const index = showids.indexOf(id);  
						if(index != -1){ 
							showids.splice(index, 1); 
							localStorage.setItem("showids",JSON.stringify(showids));
						} 
					 }  

				}  
		}

       //初始化显示某元素的显示状态
      var showids = JSON.parse(localStorage.getItem("showids") ) ? JSON.parse(localStorage.getItem("showids") ) :[] ; 
 		if(showids){
 			for (var i = showids.length - 1; i >= 0; i--) {
 				$("#"+showids[i]).show();
 			}
 		}