/**
  * Drops the inventory item of the specified column and row.
  *
  * @param col the column the inventory item is in
  * @param row the row the inventory item is in
  */
 public static void dropItem(int col, int row) {
   if (col < 0 || col > 3 || row < 0 || row > 6) return;
   if (getAllItems()[col + row * 4].getId() == -1) return;
   Point p;
   p = Mouse.getLocation();
   if (p.x < 563 + col * 42
       || p.x >= 563 + col * 42 + 32
       || p.y < 213 + row * 36
       || p.y >= 213 + row * 36 + 32) {
     Mouse.move(getComponent().getComponents()[row * 4 + col].getCenter(), 10, 10);
   }
   Mouse.click(false);
   Task.sleep(Random.nextInt(10, 25));
   Menu.click("Drop");
   Task.sleep(Random.nextInt(25, 50));
 }