public void book_search(Member loginmem) throws Exception{
		int a=0;
		//ִܿµ & ԷѴܾԵȸ絵Ѵ.
		String newtitle;
		do{
			System.out.println("*******************************************************************");
			System.out.print(":");
			newtitle = scan.next();

			if(bookcollect.getequal2(newtitle)==1){      
				a=1; //˻ 
				bookcollect.print(newtitle);
				System.out.println("*******************************************************************");
			}
			else{ //˻ġϴ 
				a=2;
			}
		}while(a ==0);
		
		if(a==1){
			System.out.println("˻ѴܾѸå̰˻Ǿϴ!");
			System.out.println("*******************************************************************");
			student_menu(loginmem);
		}
		else if(a==2){
			System.out.println("˻ġϴ°ϴ!");
			System.out.println("*******************************************************************");
			student_menu(loginmem);
		}
	}