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								function CheckSubmit()
				 {
				  if( document.orderform.receiver.value == "" )
				     { alert("请输入收货人姓名!"); document.orderform.receiver.focus(); return false; } 
				  if( document.orderform.address.value == "" )
				     { alert("请输入收货人地址!"); document.orderform.address.focus(); return false; } 
				  if( document.orderform.phone.value == "" )
				     { alert("请输入联系电话!"); document.orderform.phone.focus(); return false; } 
				  if( document.orderform.postcode.value == "" )
				     { alert("请输入邮编!"); document.orderform.postcode.focus(); return false; } 		 
				  return true;                                                                                          
				 } 
				
								  request.setCharacterEncoding("GB2312");
				  Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
				  Connection conn = DriverManager.getConnection("jdbc:odbc:bookshoplk","sa","");
				  Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
				  ResultSet rs=null;
				%>
				
				
				
				   
				    
				  
								  String s_userid=(String)session.getAttribute("userid");
				  if(s_userid==null){
				%>
				   
				    
				      
				        
				          身份验证:
				        
				        
				          
				          
				        
				          您还没有登录,您的购书车信息我们会为您保留:
					    1.如果您是我们的会员请您回到首页登陆;
					    2.如果您是新用户,请您先注册;
					  
				        
				      
				  
								  }else{
				    rs=stmt.executeQuery("select username,address,phone,postcode from userinfo where userid='"+s_userid+"'"); 
				    rs.next();
				%>
				   
				    
				      
				      
				        
				          为方便我们及时将书送到您手上，请您确保以下信息真实可靠:（带*号的为必填项，其它的可以不填）
				        
				        
				          
				             
				        
				          收货人:
					  
					      *
				        
				        
				          收货人地址:
					  *
				        
				        
				          联系电话:
					  *
				        
				        
				          邮编:
					  *
				        
				        
				          付费方式:
					  
					    
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