function addRow(tableID) {

    var table = document.getElementById(tableID);

    var rowCount = table.rows.length;
    var row = table.insertRow(rowCount - 5);

    var cell1 = row.insertCell(0);
    var element1 = document.createElement("input");
    element1.type = "checkbox";
    element1.name="chkbox[]";
    cell1.appendChild(element1);

	
    var cell2 = row.insertCell(1);
    var element2 = document.createElement("input");
    element2.type = "text";
    element2.name = "autoriai[][autorius]";
    cell2.appendChild(element2);

    var cell3 = row.insertCell(2);
    var element3 = document.createElement("input");
    element3.type = "text";
    element3.name = "padalinys[]";
    cell3.appendChild(element3);

    var cell4 = row.insertCell(3);
    var element4 = document.createElement("input");
    element4.type = "text";
    element4.name = "instit[]";
    cell4.appendChild(element4);

    var cell5 = row.insertCell(4);
    var element5 = document.createElement("input");
    element5.type = "text";
    element5.name = "piliet[]";
    cell5.appendChild(element5);


  }

  function deleteRow(tableID) {
    try {
    var table = document.getElementById(tableID);
    var rowCount = table.rows.length;

    for(var i=0; i<rowCount; i++) {
      var row = table.rows[i];
      var chkbox = row.cells[0].childNodes[0];
      if(null != chkbox && true == chkbox.checked) {
        if(rowCount <= 7) {
						alert("Negalima ištrinti visų eilučių!");
						break;

					}
        table.deleteRow(i);
        rowCount--;
        i--;
      }


    }
    }catch(e) {
      alert(e);
    }
  }