if(( (new_left_x  < getElemCoord(player1,'x','b')) &&
                        new_top_y < getElemCoord(player1, 'y', 'b') &&
                        new_top_y > (getElemCoord(player1, 'y', 'a') - parseInt(ball.css('height')))) ||
                    (new_left_x < getElemCoord(player1, 'x', 'b') &&
                     new_bot_y > getElemCoord(player1, 'y', 'a') &&
                     (new_bot_y < getElemCoord(player1, 'y', 'a') + parseInt(ball.css('height'))))){
                // alert('bounce off player1');
                reverse_x = true;
                setBallCoords(ball, new_left_x, new_top_y);
            }
            else if(( new_right_x  > getElemCoord(player2,'x','a') &&
                        new_top_y < getElemCoord(player2, 'y', 'b') &&
                        new_top_y > (getElemCoord(player2, 'y', 'a') - parseInt(ball.css('height')))
                    ) ||
                    (new_right_x > getElemCoord(player2, 'x', 'a') &&
                     new_bot_y > getElemCoord(player2, 'y', 'a') &&
                     (new_bot_y < getElemCoord(player2, 'y', 'b') + parseInt(ball.css('height')))
                    )){
                // alert('bounce off player2');
                reverse_x = true;
                setBallCoords(ball, new_left_x, new_top_y);
            }