text: $(document).ready(function(){
  			$("#stu_id").on('input',function(){
  				$("#stu_details").empty();
  				var s_id = $("#stu_id").val();
  				var data = "student_id="+s_id;
  				
  				$.ajax({
  					  url  : 'stu-details.php',
  					  type : 'POST',
  					  data : data,
  					 success:function(data)
  						   {
  								$("#stu_details").html(data);
  						   }
  							
  					 });
  			});
  			$("#book_id").on('input',function(){
  				$("#book_details").empty();
  				var b_id = $("#book_id").val();
  				var data = "book_id="+b_id;
  				
  				$.ajax({
  					  url  : 'book-details.php',
  					  type : 'POST',
  					  data : data,
  					 success:function(data)
  						   {
  								$("#book_details").html(data);
  						   }
  							
  					 });
  			});
  			$("#clear").on('click',function(){
  				$("#stu_details").empty();
  				$("#book_details").empty();
  			});
  			$("#issue_id").on('input',function(){
  				$("#issue_det").empty();
  				var issue_id = $("#issue_id").val();
  				var data = "book_id="+issue_id;
  				
  				$.ajax({
  					  url  : 'issue-details.php',
  					  type : 'POST',
  					  data : data,
  					 success:function(data)
  						   {
  								$("#issue_det").html(data);
  						   }
  							
  					 });
  			});
  			
  });