public void actionPerformed(ActionEvent arg0) {
				String name = customerName.getText();
				String start_day = startDay.getText();
				todayLabel.setText(start_day);
				String[] date = new String[3];
				
				if(name.equals("") || name.length()>=4){
					JOptionPane.showMessageDialog(null, "̸ ");
				}else{
					if(!start_day.equals("")){
						StringTokenizer st = new StringTokenizer(start_day,"/");
						int i=0;
						while(st.hasMoreTokens()){
							date[i] = st.nextToken();
							i++;
						}
						if(now>new Integer(date[0]+""+date[1]+""+date[2])){
							JOptionPane.showMessageDialog(null, " ¥  ¥   ϴ");
						}else{
							if(date[0] != null && date[1] != null && date[2] != null){
									start_day = start_day.replaceAll("/", "");
//									System.out.println(start_day);
									String[] info = {cbRoom.getSelectedItem().toString(),customerName.getText(),"",startDay.getText(),cbPeriod.getSelectedItem().toString()};
									int result = mg.updateReservation(info);
									if(result == 0){
										JOptionPane.showMessageDialog(null, " ");
									}else if(result == 1){
										JOptionPane.showMessageDialog(null, " ¥  ¥   ϴ");
									}else if(result == 2){
										JOptionPane.showMessageDialog(null, "̹ Ǿ ֽϴ");
									}else if(result == -1){
										JOptionPane.showMessageDialog(null, " ");
									}
							}else{
								JOptionPane.showMessageDialog(null, "ùٸ  ¥ ");
							}
						}
						
						String[] bookedRoom = mg.confirmReservation(start_day);
						if(bookedRoom.length>0){
							for(int j=0;j<20;j++){
								for(int k=0;k<bookedRoom.length;k++){
									if(room[j].equals(bookedRoom[k].toString())){
										pArray[j].setBackground(Color.YELLOW);
									}
								}
							}
						}
					}else{
						JOptionPane.showMessageDialog(null, "¥");
					}
				}
			}